# Everyday Tools - LLM Context & Tool Directory > Everyday Tools is a suite of 298 fast, free, privacy-first client-side web utilities. > All calculations, conversions, text manipulation, cryptographic hashes, and image tasks occur inside the user's browser without remote data collection. ## Website Information - Name: Everyday Tools - Canonical URL: https://www.everydaytoolsportal.com/ - Supported Languages: English (en), Spanish (es), Hindi (hi), Arabic (ar) - Full Knowledge Base: https://www.everydaytoolsportal.com/llms-full.txt - XML Sitemap: https://www.everydaytoolsportal.com/sitemap.xml - Total Registered Utilities: 298 - Privacy Model: 100% In-Browser Execution (Zero Server Network I/O) ## Documentation & Technical Guides - [All Technical Guides](https://www.everydaytoolsportal.com/guides/): Authoritative mathematical proofs, specifications, and conversion formulas. - [Base64 Encoding Explained: Binary Data over Text Transports & RFC 4648](https://www.everydaytoolsportal.com/guides/base64-encoding-explained/?lang=es): Understand the 6-bit binary translation of RFC 4648, padding with "=", the 33% payload expansion trade-off, and why encoding is not encryption. - [Cryptographic Hashing Fundamentals: SHA-256, Integrity & One-Way Math](https://www.everydaytoolsportal.com/guides/cryptographic-hashing-fundamentals/?lang=es): Explore the mathematics of one-way hash algorithms, the avalanche effect, collision resistance, and how digests guarantee data integrity. - [How to Calculate Percentages: The Complete Practical Guide & Formulas](https://www.everydaytoolsportal.com/guides/how-to-calculate-percentage/?lang=es): Master everyday percentage math including tips, markups, discounts, reverse percentages, and relative rate changes with clear step-by-step formulas. - [JSON Syntax Standards, Common Errors, and Troubleshooting Guide](https://www.everydaytoolsportal.com/guides/json-validation-and-syntax-guide/?lang=es): The definitive developer reference for ECMA-404 and RFC 8259 JSON compliance. Debug unquoted keys, trailing comma parse traps, and nested arrays. - [Metric vs Imperial: Comprehensive Unit Conversion Guide & Exact Factors](https://www.everydaytoolsportal.com/guides/unit-conversion-guide/?lang=es): Physical conversion constants across length, mass, volume, and temperature according to BIPM, NIST, and ISO international physical standards. - [QR Code Best Practices: Payloads, Sizing, Error Correction & Scanning Reliability](https://www.everydaytoolsportal.com/guides/qr-code-best-practices/?lang=es): An engineering guide to Reed-Solomon error correction levels (L, M, Q, H), quiet zones, module contrast, and scan distance geometry. - [Time Zones, UTC Offsets, and Daylight Saving Time Demystified](https://www.everydaytoolsportal.com/guides/timezone-and-utc-guide/?lang=es): How atomic clocks regulate Coordinated Universal Time (UTC), how IANA time zones operate, and how to avoid Daylight Saving Time traps. - [Understanding Image Compression: Lossy vs Lossless Formats & Optimization](https://www.everydaytoolsportal.com/guides/understanding-image-compression/?lang=es): How raster image compression algorithms operate under the hood. Learn when to choose WebP, JPEG, or PNG to minimize web payload without visual fidelity loss. ## Categories & Tools ### Calculadoras y Conversores Herramientas prácticas de cálculo y conversión para finanzas, fechas, medidas y números diarios. - **[Percentage Calculator](https://www.everydaytoolsportal.com/calculators/percentage-calculator/?lang=es)**: Free online percentage calculator. Compute what X% of Y is, find percentage increase/decrease, and calculate percentage difference with detailed formulas. - **[Age Calculator](https://www.everydaytoolsportal.com/calculators/age-calculator/?lang=es)**: Accurate age calculator. Find your exact age in years, months, and days, along with a countdown to your next birthday. - **[Unit Converter](https://www.everydaytoolsportal.com/calculators/unit-converter/?lang=es)**: Convert metric and imperial units for length, mass, temperature, area, volume, and speed with instant two-way conversions. - **[Date Calculator](https://www.everydaytoolsportal.com/calculators/date-calculator/?lang=es)**: Free date calculator. Calculate duration between two dates, add or subtract time, and calculate working business days effortlessly. - **[Discount Calculator](https://www.everydaytoolsportal.com/calculators/discount-calculator/?lang=es)**: Determine exact sale price, discount savings, and post-tax totals with this intuitive online discount calculator. - **[Loan EMI Calculator](https://www.everydaytoolsportal.com/calculators/loan-emi-calculator/?lang=es)**: Accurate loan EMI calculator. Compute monthly installments, total interest, and complete loan amortization schedule instantly. - **[Compound Interest Calculator](https://www.everydaytoolsportal.com/calculators/compound-interest-calculator/?lang=es)**: Free compound interest calculator. Calculate future investment value, compound frequency gains, and interest growth over time. - **[Profit Margin & Markup Calculator](https://www.everydaytoolsportal.com/calculators/profit-margin-calculator/?lang=es)**: Calculate profit margin and markup percentages instantly. Understand differences between margin and markup for commercial pricing. - **[GST & VAT Calculator](https://www.everydaytoolsportal.com/calculators/gst-vat-calculator/?lang=es)**: Free GST and VAT calculator. Compute net price, tax amount, and gross total with standard rates (5%, 12%, 18%, 28%). - **[Salary & Hourly Wage Calculator](https://www.everydaytoolsportal.com/calculators/salary-paycheck-calculator/?lang=es)**: Convert annual salary to hourly wage, monthly pay, and weekly paychecks with configurable weekly hours and weeks worked. - **[Savings Goal Calculator](https://www.everydaytoolsportal.com/calculators/savings-goal-calculator/?lang=es)**: Plan your savings milestones. Calculate required monthly savings and timeline to reach financial goals with interest. - **[Fuel Cost & Trip Calculator](https://www.everydaytoolsportal.com/calculators/fuel-cost-calculator/?lang=es)**: Calculate road trip fuel expense and fuel consumption. Split gas costs fairly per passenger with custom mileage rates. - **[Cooking & Recipe Unit Converter](https://www.everydaytoolsportal.com/calculators/recipe-unit-converter/?lang=es)**: Scale recipe servings and convert culinary measurements between cups, tablespoons, grams, and ounces accurately. - **[Tip and Bill Split Calculator](https://www.everydaytoolsportal.com/calculators/tip-calculator/?lang=es)**: Free restaurant tip and bill split calculator. Calculate tip percentages, tax, and split payments fairly per person. - **[Personal & Monthly Budget Planner](https://www.everydaytoolsportal.com/calculators/budget-planner/?lang=es)**: Private monthly budget planner. Allocate net income, track expenses, and follow the 50/30/20 budget rule client-side. - **[Break-Even Business Calculator](https://www.everydaytoolsportal.com/calculators/breakeven-calculator/?lang=es)**: Calculate break-even units and revenue volume from fixed costs, variable costs, and unit selling price. - **[Asset Depreciation Calculator (Straight-Line)](https://www.everydaytoolsportal.com/calculators/depreciation-calculator/?lang=es)**: Straight-line asset depreciation calculator. Compute annual depreciation expense and remaining book value schedules. - **[Appliance Electricity Cost Calculator](https://www.everydaytoolsportal.com/calculators/electricity-cost-calculator/?lang=es)**: Calculate electric appliance running costs. Enter wattage, daily usage hours, and kWh rate to estimate power bills. - **[Daily Water Intake & Hydration Calculator](https://www.everydaytoolsportal.com/calculators/water-intake-calculator/?lang=es)**: Daily water intake calculator based on body weight, activity duration, and weather conditions. - **[College & High School GPA Calculator](https://www.everydaytoolsportal.com/calculators/gpa-calculator/?lang=es)**: Free 4.0 scale GPA calculator. Add semester courses, letter grades, and credit hours to compute exact GPA. - **[Final Exam Grade & Target Marks Calculator](https://www.everydaytoolsportal.com/calculators/exam-marks-calculator/?lang=es)**: Final grade calculator. Compute the score you need on your final exam to secure your target grade percentage. - **[Household Budget Allocator (50/30/20 & Custom)](https://www.everydaytoolsportal.com/calculators/household-budget-allocator/?lang=es)**: Free household budget allocator tool. Plan monthly income using the 50/30/20 rule or custom expense allocations. - **[Rent Affordability Calculator (30% Rule & 40x Income)](https://www.everydaytoolsportal.com/calculators/rent-affordability-calculator/?lang=es)**: Calculate how much rent you can afford based on your income, debts, and the 30% rule or 40x income requirement. - **[Overtime Pay Calculator (Time-and-a-Half & Double Time)](https://www.everydaytoolsportal.com/calculators/overtime-pay-calculator/?lang=es)**: Calculate your total overtime pay with standard 1.5x and double-time rates. Accurately estimate gross weekly wages. - **[Time Duration Calculator (Hours, Minutes & Seconds)](https://www.everydaytoolsportal.com/calculators/time-duration-calculator/?lang=es)**: Calculate time duration between start and end times in hours, minutes, and seconds. Add or subtract time intervals. - **[Work Hours & Timesheet Calculator](https://www.everydaytoolsportal.com/calculators/work-hours-timesheet-calculator/?lang=es)**: Free online work hours and weekly timesheet calculator. Calculate gross pay with automatic unpaid break deductions. - **[Date of Delivery & Shipping Transit Estimator](https://www.everydaytoolsportal.com/calculators/date-of-delivery-estimator/?lang=es)**: Estimate parcel shipment arrival dates based on dispatch date, business handling days, and transit shipping times. - **[Percentage Allocation & Share Splitter](https://www.everydaytoolsportal.com/calculators/percentage-allocation-calculator/?lang=es)**: Calculate proportional percentage allocations and split monetary budgets or asset pools into exact numerical shares. - **[Unit Price Comparison & Best Value Calculator](https://www.everydaytoolsportal.com/calculators/unit-price-comparison-calculator/?lang=es)**: Compare unit prices across different package sizes and weights to find the best shopping value and lowest cost. - **[Inflation & Purchasing Power Calculator](https://www.everydaytoolsportal.com/calculators/inflation-calculator/?lang=es)**: Calculate compound inflation and purchasing power loss over time with real-time future cost projections. - **[Currency Conversion Calculator](https://www.everydaytoolsportal.com/calculators/currency-conversion-calculator/?lang=es)**: Convert amounts between major international currencies with customizable reference rates and fee calculations. - **[Percentage Point vs Percent Change Calculator](https://www.everydaytoolsportal.com/calculators/percentage-point-difference/?lang=es)**: Calculate the exact difference between absolute percentage points and relative percentage change with clear formulas. - **[Weighted Average Calculator](https://www.everydaytoolsportal.com/calculators/weighted-average-calculator/?lang=es)**: Calculate weighted averages and weighted means for academic grades, investment allocations, and scientific datasets. - **[Average, Median & Mode Calculator](https://www.everydaytoolsportal.com/calculators/average-and-median-calculator/?lang=es)**: Free online statistics calculator for mean, median, mode, min, max, range, and sum from comma-separated numbers. - **[Standard Deviation & Variance Calculator](https://www.everydaytoolsportal.com/calculators/standard-deviation-calculator/?lang=es)**: Calculate sample and population standard deviation (s and σ) and variance from any list of numerical data. - **[Ratio & Proportion Calculator](https://www.everydaytoolsportal.com/calculators/ratio-and-proportion-calculator/?lang=es)**: Solve proportion problems for missing values and simplify numerical ratios into lowest whole numbers. - **[Mixture & Dilution Calculator](https://www.everydaytoolsportal.com/calculators/mixture-and-dilution-calculator/?lang=es)**: Calculate stock concentration, target concentration, and solvent addition requirements for solution dilution. - **[Loan Prepayment & Interest Savings Calculator](https://www.everydaytoolsportal.com/calculators/loan-prepayment-savings-calculator/?lang=es)**: Estimate total interest savings and term reduction by making extra monthly or lump-sum loan payments. - **[Target Date Countdown & Milestone Calculator](https://www.everydaytoolsportal.com/calculators/target-date-countdown-calculator/?lang=es)**: Live high-precision countdown timer showing days, hours, minutes, and seconds remaining until any target date. - **[Cash Flow Forecast Calculator](https://www.everydaytoolsportal.com/calculators/cash-flow-forecast-calculator/?lang=es)**: Forecast rolling operational cash flow, runway, and net burn based on cash inflows, operational outflows, and starting cash reserves. - **[Accounts Receivable Aging Calculator](https://www.everydaytoolsportal.com/calculators/accounts-receivable-aging-calculator/?lang=es)**: Categorize outstanding customer invoices across current, 30-day, 60-day, 90-day, and 120+ day buckets. - **[Accounts Payable Due Date Planner](https://www.everydaytoolsportal.com/calculators/accounts-payable-due-date-planner/?lang=es)**: Plan vendor invoice disbursement schedules, optimize payment timing, and capture prompt payment early-settlement discounts. - **[Inventory Reorder Point Calculator](https://www.everydaytoolsportal.com/calculators/inventory-reorder-point-calculator/?lang=es)**: Calculate optimal inventory reorder points (ROP) and safety stock levels based on lead time and daily unit velocity. - **[Economic Order Quantity (EOQ) Calculator](https://www.everydaytoolsportal.com/calculators/economic-order-quantity-calculator/?lang=es)**: Determine ideal batch purchase quantities that minimize total inventory holding and ordering setup costs. - **[Weighted Average Cost of Capital (WACC) Calculator](https://www.everydaytoolsportal.com/calculators/weighted-average-cost-calculator/?lang=es)**: Calculate blended cost of capital across equity and debt components for corporate hurdle rates. - **[eCommerce Profitability Calculator](https://www.everydaytoolsportal.com/calculators/ecommerce-profitability-calculator/?lang=es)**: Analyze unit economics, gross margins, fulfillment, ad spend, and net profit margins per order. - **[Marketplace Commission Calculator](https://www.everydaytoolsportal.com/calculators/marketplace-commission-calculator/?lang=es)**: Calculate platform commission take-rates, payment processing fees, and seller payout amounts across online marketplaces. - **[Customer Acquisition Cost & LTV Ratio Calculator](https://www.everydaytoolsportal.com/calculators/cac-ltv-calculator/?lang=es)**: Measure customer acquisition cost (CAC), lifetime value (LTV), LTV:CAC efficiency ratio, and payback velocity. - **[Invoice Payment Schedule Calculator](https://www.everydaytoolsportal.com/calculators/invoice-payment-schedule-calculator/?lang=es)**: Break down large commercial contracts or invoices into structured milestone installment schedules with interest. - **[Linear Regression Calculator](https://www.everydaytoolsportal.com/calculators/linear-regression-calculator/?lang=es)**: Calculate linear regression slope (m), intercept (b), correlation coefficient (r), and coefficient of determination (R²) for paired datasets. - **[Moving Average Calculator](https://www.everydaytoolsportal.com/calculators/moving-average-calculator/?lang=es)**: Calculate Simple Moving Averages (SMA) and Exponential Moving Averages (EMA) across time-series data. - **[Percentile & Quartile Calculator](https://www.everydaytoolsportal.com/calculators/percentile-quartile-calculator/?lang=es)**: Calculate Q1 (25th percentile), Median (50th percentile), Q3 (75th percentile), and Interquartile Range (IQR) for statistical distributions. - **[Z-Score & Standard Score Calculator](https://www.everydaytoolsportal.com/calculators/z-score-calculator/?lang=es)**: Compute standard z-scores, p-values, and normal distribution probabilities for individual data observations. - **[Probability Calculator](https://www.everydaytoolsportal.com/calculators/probability-calculator/?lang=es)**: Calculate union, intersection, conditional probability, and independent event compound likelihoods. - **[Binomial Distribution Calculator](https://www.everydaytoolsportal.com/calculators/binomial-distribution-calculator/?lang=es)**: Calculate exact and cumulative binomial probabilities P(X = k) and P(X ≤ k) for n independent Bernoulli trials. - **[Normal Distribution Calculator](https://www.everydaytoolsportal.com/calculators/normal-distribution-calculator/?lang=es)**: Calculate standard normal distribution probabilities, cumulative density functions (CDF), and two-tailed confidence areas. - **[Sampling Margin of Error Calculator](https://www.everydaytoolsportal.com/calculators/sampling-margin-of-error-calculator/?lang=es)**: Calculate statistical margins of error and confidence intervals based on sample size and population proportions. - **[A/B Test Statistical Significance Calculator](https://www.everydaytoolsportal.com/calculators/ab-test-calculator/?lang=es)**: Evaluate conversion rates between Control and Variant groups to determine statistical significance, p-value, and confidence. - **[Data Outlier Detection Tool (IQR & Z-Score)](https://www.everydaytoolsportal.com/calculators/data-outlier-detection-tool/?lang=es)**: Detect statistical anomalies and numerical outliers in datasets using Tukey's 1.5×IQR rule and standard 3-sigma Z-scores. ### Herramientas de Texto y Escritura Recuento preciso de palabras, manipulación de mayúsculas y minúsculas, limpieza de texto y generación de texto simulado. - **[Word & Character Counter](https://www.everydaytoolsportal.com/text-tools/word-counter/?lang=es)**: Online word counter and character counter. Real-time statistics on words, characters, sentences, paragraphs, and reading duration. - **[Case Converter](https://www.everydaytoolsportal.com/text-tools/case-converter/?lang=es)**: Easily transform text into UPPERCASE, lowercase, Title Case, Sentence case, or alternating case with instant one-click copy. - **[Text Cleaner](https://www.everydaytoolsportal.com/text-tools/text-cleaner/?lang=es)**: Clean messy text by removing duplicate spaces, consolidating blank lines, trimming leading/trailing spaces, and standardizing line breaks. - **[Lorem Ipsum Generator](https://www.everydaytoolsportal.com/text-tools/lorem-ipsum-generator/?lang=es)**: Create custom Lorem Ipsum placeholder text for designs and mockups. Select paragraph, sentence, or word counts with one click. - **[Spell & Typo Checker](https://www.everydaytoolsportal.com/text-tools/spelling-checker/?lang=es)**: Private in-browser spelling and typo checker. Highlights duplicate words and misspelled terms without sending text to remote servers. - **[Text Diff & Comparison Checker](https://www.everydaytoolsportal.com/text-tools/text-diff-checker/?lang=es)**: Online text diff tool. Compare differences between two drafts or code blocks with clear color-coded inline highlights. - **[Duplicate Line Remover](https://www.everydaytoolsportal.com/text-tools/duplicate-line-remover/?lang=es)**: Clean lists by removing duplicate entries. Supports case-sensitive deduplication, whitespace trimming, and alphabetical sorting. - **[Find and Replace Tool](https://www.everydaytoolsportal.com/text-tools/find-and-replace/?lang=es)**: Find and replace text instantly. Supports case matching, whole-word filtering, and regular expressions with count tracking. - **[Reading & Speaking Time Calculator](https://www.everydaytoolsportal.com/text-tools/reading-time-calculator/?lang=es)**: Estimate reading and speaking duration for articles, speeches, and podcast scripts across customizable words-per-minute speeds. - **[Text to URL Slug Converter](https://www.everydaytoolsportal.com/text-tools/text-to-slug/?lang=es)**: Generate clean, URL-safe SEO slugs from titles and phrases. Handles Unicode accents, separator selection, and stop words. - **[Markdown Live Previewer & Editor](https://www.everydaytoolsportal.com/text-tools/markdown-previewer/?lang=es)**: Write and preview Markdown live in your browser. Real-time HTML rendering with instant copy and zero server transmissions. - **[Sentence Counter & Sentence Case Converter](https://www.everydaytoolsportal.com/text-tools/sentence-counter/?lang=es)**: Count sentences, compute readability averages, and convert text to proper sentence capitalization automatically. - **[Email Subject Line Length & Preview Checker](https://www.everydaytoolsportal.com/text-tools/email-subject-checker/?lang=es)**: Email subject line preview and character counter. Ensure optimal truncation limits across iPhone, Gmail, and Outlook. - **[Professional HTML Email Signature Generator](https://www.everydaytoolsportal.com/text-tools/email-signature-generator/?lang=es)**: Free HTML email signature generator. Create professional corporate email signatures with logo and social links. - **[Email Address Syntax & Format Validator](https://www.everydaytoolsportal.com/text-tools/email-validator/?lang=es)**: Client-side email validator. Check RFC 5322 compliance, illegal characters, domain structures, and disposable mail providers. - **[Text to Binary & Binary to Text Converter](https://www.everydaytoolsportal.com/text-tools/text-to-binary/?lang=es)**: Convert text to binary code (8-bit) and binary code back to text in real-time. Zero server transmission. - **[Text to Hexadecimal & Hex to Text Converter](https://www.everydaytoolsportal.com/text-tools/text-to-hex/?lang=es)**: Convert ASCII/UTF-8 text to hexadecimal format and hex to text with spaces or custom prefixes. - **[Word Frequency & Keyword Density Counter](https://www.everydaytoolsportal.com/text-tools/word-frequency-counter/?lang=es)**: Analyze word frequency and keyword density. Identify top repeating keywords with optional stop-word exclusion. - **[Reading Level & Flesch-Kincaid Analyzer](https://www.everydaytoolsportal.com/text-tools/reading-level-checker/?lang=es)**: Calculate Flesch Reading Ease and Flesch-Kincaid grade level scores to optimize text clarity and accessibility. - **[Academic Citation Formatter (APA, MLA, Chicago, Harvard)](https://www.everydaytoolsportal.com/text-tools/citation-formatter/?lang=es)**: Format academic citations for books, journals, and websites in APA 7th, MLA 9th, Chicago, and Harvard formats. - **[Professional Email Draft Helper & Subject Optimizer](https://www.everydaytoolsportal.com/text-tools/email-draft-helper/?lang=es)**: Free email drafting assistant. Generate structured professional business emails, follow-ups, and polite greetings. - **[Meeting Agenda Generator & Time-Boxer](https://www.everydaytoolsportal.com/text-tools/meeting-agenda-generator/?lang=es)**: Generate structured meeting agendas with time-boxed topics and clear deliverables. Export to Markdown or copy directly. - **[Meeting Minutes & Action Item Formatter](https://www.everydaytoolsportal.com/text-tools/meeting-minutes-formatter/?lang=es)**: Format meeting minutes, attendee lists, decisions, and action items with owners and deadlines in clean Markdown. - **[Markdown Checklist & Task List Generator](https://www.everydaytoolsportal.com/text-tools/checklist-generator/?lang=es)**: Create interactive task checklists, Markdown checkboxes, and plain text to-do lists from any raw text list. - **[Social Media Character Limit Formatter](https://www.everydaytoolsportal.com/text-tools/character-limit-formatter/?lang=es)**: Check real-time character lengths for Twitter, LinkedIn posts, SMS, and SEO tags with visual over-limit warnings. - **[Prefix & Suffix Text Adder (Line-by-Line)](https://www.everydaytoolsportal.com/text-tools/prefix-suffix-adder/?lang=es)**: Prepend prefixes and append suffixes to every line of text instantly. Wrap lines in quotes, brackets, or numbering. - **[Text Line Sorter (Alphabetical, Numerical & Length)](https://www.everydaytoolsportal.com/text-tools/text-line-sorter/?lang=es)**: Sort text lines alphabetically, numerically, by length, or reverse order with automatic duplicate deduplication. - **[Acronym Formatter & Name Abbreviation Extractor](https://www.everydaytoolsportal.com/text-tools/acronym-formatter/?lang=es)**: Extract uppercase acronyms and abbreviations from multi-word titles and phrases with custom word filtering. - **[Text Annotation & Inline Note Highlighter](https://www.everydaytoolsportal.com/text-tools/text-annotation-tool/?lang=es)**: Interactive browser text annotator to highlight passages and attach commentary with exportable markdown output. - **[Plain Text to HTML Converter](https://www.everydaytoolsportal.com/text-tools/text-to-html-converter/?lang=es)**: Convert plain text blocks into clean, valid HTML markup with paragraph tags, break tags, and special entity escaping. - **[HTML to Plain Text Converter](https://www.everydaytoolsportal.com/text-tools/html-to-plain-text-converter/?lang=es)**: Strip HTML tags, scripts, and styling to extract clean, unformatted plain text for email, documents, or data parsing. - **[Unicode Character & Codepoint Inspector](https://www.everydaytoolsportal.com/text-tools/unicode-character-inspector/?lang=es)**: Inspect Unicode codepoints, hexadecimal values, and UTF-8 encodings for any character or string. - **[Whitespace & Invisible Character Inspector](https://www.everydaytoolsportal.com/text-tools/whitespace-invisible-character-inspector/?lang=es)**: Find and reveal hidden zero-width spaces (ZWSP), non-breaking spaces (NBSP), and invisible Unicode characters. - **[Text Line Numbering Tool](https://www.everydaytoolsportal.com/text-tools/text-line-numbering/?lang=es)**: Add line numbers with custom starting digits, zero-padding, and delimiters to code or multi-line text. - **[Text Column Merger & Delimiter Joiner](https://www.everydaytoolsportal.com/text-tools/text-column-merger/?lang=es)**: Merge two parallel text lists line-by-line with custom delimiters for spreadsheet preparation and data formatting. - **[Text-to-Speech Audio Reader](https://www.everydaytoolsportal.com/text-tools/text-to-speech-reader/?lang=es)**: In-browser text-to-speech narrator with natural speech synthesis, pitch, rate, and voice controls. - **[NATO Phonetic Alphabet Converter](https://www.everydaytoolsportal.com/text-tools/phonetic-alphabet-converter/?lang=es)**: Spell out words and serial codes using the standard NATO phonetic aviation alphabet (Alfa, Bravo, Charlie). - **[Text Similarity & Levenshtein Distance Calculator](https://www.everydaytoolsportal.com/text-tools/text-similarity-checker/?lang=es)**: Compare text similarity percentage and compute edit distance (Levenshtein) and overlap between two text blocks. - **[Readability Statistics Dashboard](https://www.everydaytoolsportal.com/text-tools/readability-statistics-dashboard/?lang=es)**: Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, Coleman-Liau, and Gunning Fog indices in real time. - **[Repeated Phrase & N-Gram Finder](https://www.everydaytoolsportal.com/text-tools/repeated-phrase-finder/?lang=es)**: Find recurring phrases, overused expressions, and repeated n-grams to improve writing conciseness and punch. - **[Text Similarity Comparison Dashboard](https://www.everydaytoolsportal.com/text-tools/text-similarity-comparison-dashboard/?lang=es)**: Compare two texts using Jaccard token similarity, Levenshtein edit distance, and shared word overlap. - **[Translation Comparison Workspace](https://www.everydaytoolsportal.com/text-tools/translation-comparison-workspace/?lang=es)**: Side-by-side translation workspace to compare source and localized target strings across languages with length ratios. - **[Inclusive Language Helper](https://www.everydaytoolsportal.com/text-tools/inclusive-language-helper/?lang=es)**: Highlight outdated or non-inclusive terminology and recommend modern, respectful alternatives. - **[Editorial Style Guide Checker](https://www.everydaytoolsportal.com/text-tools/editorial-style-guide-checker/?lang=es)**: Check text against editorial conventions including title capitalization, Oxford commas, and number formatting rules. - **[Content Brief Generator](https://www.everydaytoolsportal.com/text-tools/content-brief-generator/?lang=es)**: Generate comprehensive writer briefs with target audiences, word count targets, core themes, and SEO focus keywords. - **[FAQ Generator from Text](https://www.everydaytoolsportal.com/text-tools/faq-generator-from-text/?lang=es)**: Extract question-and-answer pairs from raw documentation, product specifications, or articles. - **[Product Description Quality Checker](https://www.everydaytoolsportal.com/text-tools/product-description-quality-checker/?lang=es)**: Analyze e-commerce product copy for benefit-driven language, specifications clarity, and conversion readiness. - **[Social Media Character Limit Validator](https://www.everydaytoolsportal.com/text-tools/social-media-character-limit-validator/?lang=es)**: Validate post lengths across Twitter/X, LinkedIn, Facebook, Instagram, and Threads with live progress bars. ### Herramientas de Imagen y Archivos Compresión, cambio de tamaño y conversión de formato de imágenes rápida y privada en el cliente sin subir archivos a servidores remotos. - **[Image Compressor](https://www.everydaytoolsportal.com/image-tools/image-compressor/?lang=es)**: Compress images client-side without uploading to external servers. Adjust compression quality, inspect savings, and download instantly. - **[Image Resizer](https://www.everydaytoolsportal.com/image-tools/image-resizer/?lang=es)**: Resize images online safely in your browser. Set width, height, or scaling percentage with aspect ratio lock and immediate preview. - **[Image Format Converter](https://www.everydaytoolsportal.com/image-tools/image-format-converter/?lang=es)**: Client-side image converter between PNG, JPG, and WebP formats. Safe, private, and lightning fast with no server uploads. - **[Online Image Cropper](https://www.everydaytoolsportal.com/image-tools/image-cropper/?lang=es)**: Free browser-based image cropper. Crop photos to standard aspect ratios or custom pixel coordinates with complete privacy. - **[Image to PDF Converter](https://www.everydaytoolsportal.com/image-tools/image-to-pdf/?lang=es)**: Convert JPG, PNG, and WebP images into a single PDF document in your browser. Fast, free, and completely confidential. - **[Client-Side PDF Merger](https://www.everydaytoolsportal.com/image-tools/pdf-merger/?lang=es)**: Merge multiple PDF files securely on your device. Zero cloud uploads, preserving absolute confidentiality of personal documents. - **[PDF Page Splitter & Extractor](https://www.everydaytoolsportal.com/image-tools/pdf-splitter/?lang=es)**: Extract pages or page ranges from PDF files client-side. Fast, secure document extraction without third-party data access. - **[PDF Metadata Inspector](https://www.everydaytoolsportal.com/image-tools/pdf-metadata-inspector/?lang=es)**: View PDF document metadata, page counts, author information, and page dimensions in your browser without uploading files. - **[Image Watermark Tool](https://www.everydaytoolsportal.com/image-tools/image-watermark-tool/?lang=es)**: Protect your digital photography. Add customizable text watermarks to images with full opacity and positioning control. - **[Favicon & App Icon Generator](https://www.everydaytoolsportal.com/image-tools/favicon-generator/?lang=es)**: Create website favicons and Apple touch icons from an image. Download crisp 16px, 32px, 48px, 180px icons with embed code. - **[File Size & Data Storage Converter](https://www.everydaytoolsportal.com/image-tools/file-size-converter/?lang=es)**: Convert data storage units accurately between decimal (1000) and binary (1024) standards. Explains drive capacity discrepancies. - **[Image Color Picker & Eyedropper Inspector](https://www.everydaytoolsportal.com/image-tools/image-color-picker/?lang=es)**: Extract exact colors from any image. Interactive eyedropper sampler with HEX, RGB, HSL outputs and history swatches. - **[Image Background Color Replacer & Eraser](https://www.everydaytoolsportal.com/image-tools/image-bg-replacer/?lang=es)**: Replace or erase image background colors client-side. Set color tolerance and export transparent PNGs privately. - **[Image to Base64 Data URI Converter](https://www.everydaytoolsportal.com/image-tools/image-to-base64/?lang=es)**: Convert images to Base64 Data URIs for inline embedding in HTML, CSS, or JSON without additional HTTP requests. - **[Base64 to Image Decoder & Previewer](https://www.everydaytoolsportal.com/image-tools/base64-to-image/?lang=es)**: Decode Base64 strings to images. Preview dimensions, verify MIME format, and download PNG/JPEG files. - **[CSV Table Viewer & Interactive Formatter](https://www.everydaytoolsportal.com/image-tools/csv-viewer/?lang=es)**: Fast client-side CSV table viewer. Filter, search, and inspect tabular spreadsheet data without uploading files. - **[CSV to JSON Structured Data Converter](https://www.everydaytoolsportal.com/image-tools/csv-to-json/?lang=es)**: Convert CSV data or uploaded spreadsheets to clean JSON objects with customizable indent spacing. - **[JSON to CSV Spreadsheet Exporter](https://www.everydaytoolsportal.com/image-tools/json-to-csv/?lang=es)**: Convert JSON arrays to CSV spreadsheets. Automatically flattens objects and escapes commas and quotation marks. - **[PDF Page Reorder & Arrangement Utility](https://www.everydaytoolsportal.com/image-tools/pdf-page-reorder/?lang=es)**: Reorder PDF pages locally in your browser. Specify custom page orders and download rearranged PDF documents. - **[Image DPI & Print Size Calculator](https://www.everydaytoolsportal.com/image-tools/image-dpi-print-size-calculator/?lang=es)**: Calculate physical print sizes at 300 DPI, 150 DPI, or custom target resolutions from image pixels or file uploads. - **[Image Color Palette Extractor & Swatch Generator](https://www.everydaytoolsportal.com/image-tools/image-palette-extractor/?lang=es)**: Extract dominant color swatches, HEX codes, and CSS variables from photos directly in your browser without uploads. - **[Image Flip & Rotate Tool (Lossless Canvas)](https://www.everydaytoolsportal.com/image-tools/image-flip-and-rotate/?lang=es)**: Rotate and flip images horizontally or vertically in your browser. Download transformed photos instantly with zero server uploads. - **[Transparent Image Checker & Alpha Channel Inspector](https://www.everydaytoolsportal.com/image-tools/transparent-image-checker/?lang=es)**: Inspect image transparency and alpha channels. Test PNG graphics against white, black, red, and checkerboard backdrops. - **[PDF Metadata Viewer & Privacy Cleaner](https://www.everydaytoolsportal.com/image-tools/pdf-metadata-viewer-cleaner/?lang=es)**: View and wipe hidden PDF metadata (author, title, producer, creation date) securely on your device before sharing. - **[PDF Page Rotation Tool (Permanent Clockwise Correction)](https://www.everydaytoolsportal.com/image-tools/pdf-rotation-tool/?lang=es)**: Rotate all or specific PDF pages by 90, 180, or 270 degrees client-side with PDF-Lib. Save permanently rotated PDFs. - **[Document Page Count & Book Spine Estimator](https://www.everydaytoolsportal.com/image-tools/document-page-count-estimator/?lang=es)**: Estimate paperback and manuscript page counts, double-sided printing sheets, and book spine thickness from total words. - **[File Checksum & SHA Hash Calculator (WebCrypto)](https://www.everydaytoolsportal.com/image-tools/file-checksum-calculator/?lang=es)**: Calculate SHA-256, SHA-1, and SHA-512 file checksums client-side using WebCrypto. Verify download integrity safely. - **[Image EXIF Metadata Viewer](https://www.everydaytoolsportal.com/image-tools/image-exif-viewer/?lang=es)**: Inspect camera metadata, exposure settings, device model, and GPS locations from photos without uploading them. - **[Image Metadata & EXIF Remover](https://www.everydaytoolsportal.com/image-tools/image-metadata-remover/?lang=es)**: Protect your digital privacy by stripping EXIF tags and GPS coordinates from photos securely inside your browser. - **[Image Contact Sheet & Thumbnail Grid Generator](https://www.everydaytoolsportal.com/image-tools/image-contact-sheet-generator/?lang=es)**: Create and download high-resolution photo contact sheets and thumbnail grid proofs directly in your browser. - **[Image Pixel Dimension & Aspect Ratio Calculator](https://www.everydaytoolsportal.com/image-tools/image-pixel-dimension-calculator/?lang=es)**: Calculate scaled pixel dimensions, aspect ratio fractions, and uncompressed byte sizes for responsive web images. - **[Image Border & Canvas Padding Tool](https://www.everydaytoolsportal.com/image-tools/image-border-padding-tool/?lang=es)**: Add stylish borders and canvas margins to images with custom colors and thickness before sharing on social media. - **[Image to Text Optical Character Recognition (OCR)](https://www.everydaytoolsportal.com/image-tools/image-to-text-ocr/?lang=es)**: Client-side OCR tool to recognize and extract text from images and document scans with zero server uploads. - **[PDF Text Extractor](https://www.everydaytoolsportal.com/image-tools/pdf-text-extractor/?lang=es)**: Extract text from PDF files directly in your web browser with complete document privacy and fast export. - **[PDF Visual Watermark Tool](https://www.everydaytoolsportal.com/image-tools/pdf-watermark-tool/?lang=es)**: Add custom diagonal text watermarks (Draft, Confidential, Sample) to PDF pages securely in your browser. - **[PDF Form Field & AcroForm Inspector](https://www.everydaytoolsportal.com/image-tools/pdf-form-field-inspector/?lang=es)**: Audit and inspect interactive AcroForm fields, text inputs, checkboxes, and signatures inside PDF documents. - **[PDF Page & Image Extractor](https://www.everydaytoolsportal.com/image-tools/pdf-image-extractor/?lang=es)**: Convert and download individual PDF pages as high-resolution PNG or JPEG images directly in your browser. - **[Image Aspect Ratio Calculator](https://www.everydaytoolsportal.com/image-tools/image-aspect-ratio-calculator/?lang=es)**: Calculate aspect ratios, simplify fractions, calculate missing dimensions, and detect ratios automatically from uploaded images. - **[Image Quality Comparison Tool](https://www.everydaytoolsportal.com/image-tools/image-quality-comparison-tool/?lang=es)**: Compare image quality, visual compression artifacts, and file size savings across formats (JPEG, WebP, PNG) in real time. - **[Image Sequence Renamer](https://www.everydaytoolsportal.com/image-tools/image-sequence-renamer/?lang=es)**: Upload multiple image frames or photos, apply standardized sequential numbering (e.g. frame_001.png), and download renamed files. - **[Image Sprite Sheet Generator](https://www.everydaytoolsportal.com/image-tools/image-sprite-sheet-generator/?lang=es)**: Combine multiple icons, game sprites, or UI frames into a single optimized PNG texture sheet with instant CSS background-position classes. - **[Animated GIF Frame Extractor](https://www.everydaytoolsportal.com/image-tools/animated-gif-frame-extractor/?lang=es)**: Upload any GIF or animated graphic to unpack and preview individual animation frames with instant one-click PNG downloads. - **[Animated GIF Creator](https://www.everydaytoolsportal.com/image-tools/animated-gif-creator/?lang=es)**: Upload multiple still images to compile an animated loop, adjust playback speed/frame delay, and preview in real time. - **[Audio Metadata Viewer](https://www.everydaytoolsportal.com/image-tools/audio-metadata-viewer/?lang=es)**: Inspect metadata tags, track titles, artist, album, bitrate, sample rates, channels, and audio encoding specs from MP3, WAV, OGG, and FLAC files. - **[Audio Waveform Visualizer](https://www.everydaytoolsportal.com/image-tools/audio-waveform-visualizer/?lang=es)**: Decode and visualize audio sound waves, amplitude peaks, stereo balance, and export crisp waveform images. - **[Audio Silence Detector](https://www.everydaytoolsportal.com/image-tools/audio-silence-detector/?lang=es)**: Analyze podcast, voiceover, or audio tracks to pinpoint silent pauses, dead air, and export cue points for editing. - **[Video Aspect Ratio Crop Calculator](https://www.everydaytoolsportal.com/image-tools/video-aspect-ratio-crop-calculator/?lang=es)**: Calculate letterbox, pillarbox, and center-crop dimensions for 9:16 Reels/TikTok, 1:1 Instagram, and generate copyable FFmpeg crop filters. - **[DOCX Text Extractor](https://www.everydaytoolsportal.com/image-tools/docx-text-extractor/?lang=es)**: Extract pure formatted text, paragraphs, and words from any .docx Word document directly in your browser without uploading to a remote server. - **[ODT Text Extractor](https://www.everydaytoolsportal.com/image-tools/odt-text-extractor/?lang=es)**: Extract text, headers, and paragraphs from LibreOffice and OpenOffice .odt documents instantly. - **[EPUB Metadata Viewer](https://www.everydaytoolsportal.com/image-tools/epub-metadata-viewer/?lang=es)**: Inspect eBook title, creator/author, publication date, publisher, language, ISBN/UUID identifier, and chapter manifest from any EPUB file. - **[EPUB to Plain Text Converter](https://www.everydaytoolsportal.com/image-tools/epub-to-plain-text-converter/?lang=es)**: Convert and unpack all XHTML chapters in an EPUB digital book into one clean, formatted plain text file. - **[ZIP Archive Inspector](https://www.everydaytoolsportal.com/image-tools/zip-archive-inspector/?lang=es)**: Inspect files inside .zip, .jar, and .apk archives without unzipping to disk: view uncompressed sizes, compression ratios, CRC32 checksums, and folder hierarchies. - **[ZIP File Creator](https://www.everydaytoolsportal.com/image-tools/zip-file-creator/?lang=es)**: Bundle multiple files or text notes into a single standard downloadable .zip file right inside your browser. - **[File Batch Renamer](https://www.everydaytoolsportal.com/image-tools/file-batch-renamer/?lang=es)**: Rename file batches using prefix/suffix, search-and-replace, case changes, and generate copyable Bash and PowerShell rename scripts. - **[File Extension Identifier](https://www.everydaytoolsportal.com/image-tools/file-extension-identifier/?lang=es)**: Identify unknown file formats by extension or by uploading a file to inspect magic numbers, MIME types, and default applications. - **[Delimited Text Converter](https://www.everydaytoolsportal.com/image-tools/delimited-text-converter/?lang=es)**: Convert data between CSV (comma), TSV (tab), Semicolon (;), Pipe (|), and custom separators with quotation and whitespace trimming controls. ### Utilidades Digitales Cotidianas Essential daily utilities including QR codes, secure passwords, timezone converters, and health indexes. - **[QR Code Generator](https://www.everydaytoolsportal.com/utilities/qr-code-generator/?lang=es)**: Create custom QR codes online for URLs, plain text, email messages, and Wi-Fi credentials with high resolution export. - **[Password Generator](https://www.everydaytoolsportal.com/utilities/password-generator/?lang=es)**: Generate secure, unguessable passwords in your browser using cryptographic randomness. Passwords are never sent across the internet. - **[Time Zone Converter](https://www.everydaytoolsportal.com/utilities/timezone-converter/?lang=es)**: Convert time across worldwide time zones with full IANA and DST support. Plan international meetings and check time differences. - **[BMI Calculator](https://www.everydaytoolsportal.com/utilities/bmi-calculator/?lang=es)**: Calculate Body Mass Index (BMI) for adults using metric or US imperial units. Includes standard weight classification and health context. - **[UUID / GUID Generator (v4)](https://www.everydaytoolsportal.com/utilities/uuid-generator/?lang=es)**: Generate bulk RFC 4122 UUID v4 identifiers instantly using hardware-backed cryptographic randomness. Clean copy and format controls. - **[Cryptographic Random Number Generator](https://www.everydaytoolsportal.com/utilities/random-number-generator/?lang=es)**: Generate truly random numbers in any custom range using crypto.getRandomValues(). Supports sorting and duplicate prevention. - **[Random List Picker & Fair Shuffler](https://www.everydaytoolsportal.com/utilities/random-list-picker/?lang=es)**: Draw random winners from a list or shuffle items fairly using the Fisher-Yates algorithm with optional duplicate elimination. - **[Online QR Code Scanner & Decoder](https://www.everydaytoolsportal.com/utilities/qr-code-scanner/?lang=es)**: Decode QR codes from image files client-side. Fast, secure QR code reader with instant URL navigation and copy capabilities. - **[Wi-Fi QR Code Generator](https://www.everydaytoolsportal.com/utilities/wifi-qr-code-generator/?lang=es)**: Create a Wi-Fi QR code for fast guest network access. Supports WPA/WPA2/WPA3, WEP, and hidden network SSIDs. - **[Unix Epoch Timestamp Converter](https://www.everydaytoolsportal.com/utilities/unix-timestamp-converter/?lang=es)**: Convert Unix timestamps (seconds & milliseconds) to human UTC/Local date strings and vice versa with live epoch tracking. - **[IP Address Analyzer & CIDR Lookup](https://www.everydaytoolsportal.com/utilities/ip-lookup-tool/?lang=es)**: Private in-browser IPv4 and IPv6 address analyzer. Classifies private LAN, public, loopback, and standard CIDR scopes. - **[Common Network Service Ports Directory](https://www.everydaytoolsportal.com/utilities/network-port-reference/?lang=es)**: Searchable directory of standard IANA network ports and protocols (HTTP, SSH, MySQL, DNS, HTTPS). Offline and instant. - **[Custom QR Code Stylist & Color Designer](https://www.everydaytoolsportal.com/qr-code-designer/?lang=es)**: Design styled QR codes with custom foreground/background colors and export in vector SVG or high-res PNG format. - **[Wi-Fi & Password Entropy Strength Tester](https://www.everydaytoolsportal.com/wifi-password-tester/?lang=es)**: Evaluate password and Wi-Fi WPA key entropy. Calculate brute-force cracking time estimates client-side. - **[Memorable Multi-Word Passphrase Generator](https://www.everydaytoolsportal.com/passphrase-generator/?lang=es)**: Generate secure, easy-to-remember multi-word passphrases with custom separators and high cryptographic entropy. - **[Date & Timestamp Multi-Format Converter](https://www.everydaytoolsportal.com/date-format-converter/?lang=es)**: Convert dates and timestamps simultaneously across ISO 8601, RFC 2822, UNIX timestamps, and SQL DATETIME. - **[Calendar Week Number & Day of Year Calculator](https://www.everydaytoolsportal.com/calendar-week-calculator/?lang=es)**: Compute the exact ISO calendar week number, day of year, fiscal quarter, and year completion progress. - **[Business Working Days & Hours Calculator](https://www.everydaytoolsportal.com/business-days-calculator/?lang=es)**: Calculate working days between two dates. Exclude Saturdays, Sundays, and public holidays with working hour totals. - **[Multi-Timezone World Clock Dashboard](https://www.everydaytoolsportal.com/world-clock-dashboard/?lang=es)**: Track current time across major world cities: UTC, London, New York, Tokyo, Sydney, Paris, and Mumbai. - **[Data Download & Transfer Time Calculator](https://www.everydaytoolsportal.com/data-transfer-time/?lang=es)**: Calculate file download and upload times based on internet speed, file size, and protocol overhead efficiency. - **[QR Code Batch Generator](https://www.everydaytoolsportal.com/utilities/qr-code-batch-generator/?lang=es)**: Generate multiple QR codes in bulk from lists of URLs or text strings completely client-side in your browser. - **[Barcode Generator (Code 128 Canvas)](https://www.everydaytoolsportal.com/utilities/barcode-generator/?lang=es)**: Create high-resolution Code 128 barcodes for retail and inventory labels. Download clear PNG barcode images. - **[Password Entropy & Strength Estimator (Shannon Bits)](https://www.everydaytoolsportal.com/utilities/password-entropy-estimator/?lang=es)**: Measure true password Shannon entropy in bits and calculate brute-force cracking resistance against GPU clusters. - **[Clipboard Text Sanitizer & Invisible Character Cleaner](https://www.everydaytoolsportal.com/utilities/clipboard-text-cleaner/?lang=es)**: Remove hidden zero-width spaces, smart quotes, and non-breaking spaces from copied clipboard text instantly. - **[Personal Information (PII) Redaction & Masking Tool](https://www.everydaytoolsportal.com/utilities/pii-redaction-tool/?lang=es)**: Mask sensitive PII (emails, phone numbers, credit cards, IP addresses) in text client-side before sharing publicly. - **[Printable Emergency Contact (ICE) Card Generator](https://www.everydaytoolsportal.com/utilities/emergency-contact-card/?lang=es)**: Generate a printable credit-card-sized Emergency ICE card with blood type, emergency contacts, and allergies. - **[Daily Habit Tracker & Streak Logger (LocalStorage)](https://www.everydaytoolsportal.com/utilities/habit-tracker/?lang=es)**: Build daily consistency with a private in-browser habit tracker and streak counter powered by LocalStorage. - **[Pomodoro Focus Timer & Productivity Clock](https://www.everydaytoolsportal.com/utilities/pomodoro-timer/?lang=es)**: Online Pomodoro productivity timer with custom intervals, break alerts, and session tracking to maximize focus. - **[Barcode & QR Code Scanner](https://www.everydaytoolsportal.com/utilities/barcode-scanner/?lang=es)**: Client-side optical barcode and QR code reader using webcam or image upload without transmitting data. - **[Secure Random Token & Secret Generator](https://www.everydaytoolsportal.com/utilities/secure-random-token-generator/?lang=es)**: Generate high-entropy random tokens, API secrets, and nonces in Hex, Base64, and Alphanumeric formats. - **[API Key Pattern & Token Generator](https://www.everydaytoolsportal.com/utilities/api-key-format-generator/?lang=es)**: Generate development API keys adhering to industry conventions for testing, mocking, and mock servers. - **[Browser Local Storage & Session Explorer](https://www.everydaytoolsportal.com/utilities/local-storage-inspector/?lang=es)**: Interactive developer explorer for browser localStorage and sessionStorage with export and clear controls. - **[Browser Web API & Feature Capability Checker](https://www.everydaytoolsportal.com/utilities/browser-capability-checker/?lang=es)**: Test browser support for WebGL, WebAssembly, Service Workers, WebRTC, Clipboard API, and modern web capabilities. - **[Screen Resolution & Viewport Diagnostic Checker](https://www.everydaytoolsportal.com/utilities/screen-resolution-checker/?lang=es)**: Live display diagnostic checker showing screen resolution, DPR retina factor, color depth, and responsive breakpoint. - **[Keyboard Shortcut Cheat Sheet Reference](https://www.everydaytoolsportal.com/utilities/keyboard-shortcut-reference/?lang=es)**: Searchable keyboard shortcuts reference for developers and power users across VS Code, Chrome, Windows, and macOS. - **[World Date & Meeting Time Planner](https://www.everydaytoolsportal.com/utilities/world-date-time-planner/?lang=es)**: Multi-timezone meeting scheduler showing working hours, day boundaries, and attendee local times across the globe. - **[Offline Notes Scratchpad & Markdown Editor](https://www.everydaytoolsportal.com/utilities/offline-notes-editor/?lang=es)**: Private, auto-saving in-browser scratchpad and Markdown editor with word counts and instant file export. - **[Weighted Decision Matrix (Pugh Matrix) Calculator](https://www.everydaytoolsportal.com/utilities/decision-matrix-calculator/?lang=es)**: Make objective decisions by scoring competing alternatives against weighted criteria with automatic ranking. - **[Business Days Deadline Planner](https://www.everydaytoolsportal.com/utilities/business-days-deadline-planner/?lang=es)**: Calculate project deadlines and target delivery dates by adding working business days while excluding weekends and holidays. - **[Project Milestone Planner](https://www.everydaytoolsportal.com/utilities/project-milestone-planner/?lang=es)**: Plan project phases, calculate milestone delivery dates based on task durations, and export a milestone roadmap table. - **[Effort Estimator (PERT Three-Point)](https://www.everydaytoolsportal.com/utilities/effort-estimator/?lang=es)**: Calculate expected project effort and confidence intervals using the standard PERT formula (Optimistic + 4×Likely + Pessimistic) / 6. - **[Resource Capacity Planner](https://www.everydaytoolsportal.com/utilities/resource-capacity-planner/?lang=es)**: Model team bandwidth, calculate total weekly hours, and identify over-allocated or under-utilized resources. - **[Task Priority Matrix](https://www.everydaytoolsportal.com/utilities/task-priority-matrix/?lang=es)**: Score tasks across Impact, Effort, and Urgency to rank work into Quick Wins, Major Projects, Fill-Ins, and Thankless Tasks. - **[RACI Matrix Generator](https://www.everydaytoolsportal.com/utilities/raci-matrix-generator/?lang=es)**: Create RACI matrices (Responsible, Accountable, Consulted, Informed) and validate governance rules. - **[Risk Register Generator](https://www.everydaytoolsportal.com/utilities/risk-register-generator/?lang=es)**: Document project risks, calculate risk scores (Probability × Impact), and track mitigation action plans. - **[Decision Log Manager (ADR)](https://www.everydaytoolsportal.com/utilities/decision-log-manager/?lang=es)**: Record architectural, product, and technical decisions with context, consequences, and approval statuses. - **[Meeting Cost Calculator](https://www.everydaytoolsportal.com/utilities/meeting-cost-calculator/?lang=es)**: Calculate the true financial cost of meetings based on attendee count, average salaries, and duration with live ticker. - **[Project Status Report Generator](https://www.everydaytoolsportal.com/utilities/project-status-report-generator/?lang=es)**: Compile professional project updates with Red/Amber/Green health indicators, accomplishments, and risks. - **[Personal Kanban Board](https://www.everydaytoolsportal.com/utilities/kanban-board/?lang=es)**: Organize daily workflows into Backlog, In Progress, and Done columns with local storage persistence. - **[Personal Task Time Allocator](https://www.everydaytoolsportal.com/utilities/personal-task-time-allocator/?lang=es)**: Budget your daily working hours across tasks, track remaining time, and avoid daily over-commitment. - **[Eisenhower Matrix Exporter](https://www.everydaytoolsportal.com/utilities/eisenhower-matrix-exporter/?lang=es)**: Sort tasks into Do First, Schedule, Delegate, and Eliminate quadrants, and export a clean markdown task plan. - **[Weekly Strategic Planner](https://www.everydaytoolsportal.com/utilities/weekly-planner/?lang=es)**: Plan top weekly goals and daily agendas across Monday through Sunday with in-browser saving. - **[Shift Schedule Generator](https://www.everydaytoolsportal.com/utilities/shift-schedule-generator/?lang=es)**: Generate balanced rotating schedules (Day, Night, Off) for 24/7 operations, hospital, or support teams. - **[Leave Balance & PTO Calculator](https://www.everydaytoolsportal.com/utilities/leave-balance-calculator/?lang=es)**: Calculate accrued paid time off (PTO), track leave taken, and forecast year-end balance. - **[Project Timeline Table Generator](https://www.everydaytoolsportal.com/utilities/project-timeline-table-generator/?lang=es)**: Build clear project delivery schedules with visual status badges, deliverables, and copyable Markdown tables. - **[Retrospective Workshop Board](https://www.everydaytoolsportal.com/utilities/retrospective-workshop-board/?lang=es)**: Run sprint reviews with Mad/Sad/Glad columns, add feedback notes, upvote points, and generate action items. - **[Team Workload Balancer](https://www.everydaytoolsportal.com/utilities/team-workload-balancer/?lang=es)**: Compare allocated hours across teammates to prevent employee burnout and distribute workload evenly. - **[Personal Goal Progress Tracker (OKR)](https://www.everydaytoolsportal.com/utilities/personal-goal-progress-tracker/?lang=es)**: Track key results, metric completion percentages, deadlines, and milestones toward personal and professional goals. - **[Alt Text Drafting Workspace](https://www.everydaytoolsportal.com/utilities/alt-text-drafting-workspace/?lang=es)**: Draft clear, concise alternative text for screen readers, check character count limits, and copy valid accessible HTML markup. - **[Accessible Table Markup Generator](https://www.everydaytoolsportal.com/utilities/accessible-table-markup-generator/?lang=es)**: Convert plain CSV or tabular text into fully accessible HTML tables with , th scope="col", and scope="row". - **[Form Accessibility Checklist (WCAG 2.1)](https://www.everydaytoolsportal.com/utilities/form-accessibility-checklist/?lang=es)**: Audit web forms for label associations, error descriptions, keyboard submit readiness, and autocomplete attributes. - **[Keyboard Navigation Test Checklist](https://www.everydaytoolsportal.com/utilities/keyboard-navigation-test-checklist/?lang=es)**: Step-by-step interactive testing guide for tab stop sequences, escape dismissals, skip links, and modal focus traps. - **[Color Vision Deficiency Simulation Tool](https://www.everydaytoolsportal.com/utilities/color-vision-simulation-tool/?lang=es)**: Simulate how colors and images appear to individuals with Protanopia (red-blind), Deuteranopia (green-blind), Tritanopia (blue-blind), or Achromatopsia. - **[Image Privacy Preview](https://www.everydaytoolsportal.com/utilities/image-privacy-preview/?lang=es)**: Check photos for leaked GPS coordinates, camera serial numbers, and sensitive metadata before sharing publicly. - **[Clipboard Format Inspector](https://www.everydaytoolsportal.com/utilities/clipboard-format-inspector/?lang=es)**: Inspect what applications copy into your system clipboard: analyze plain text, HTML chunks, and binary payloads. - **[Browser Storage Usage Estimator](https://www.everydaytoolsportal.com/utilities/browser-storage-usage-estimator/?lang=es)**: Inspect exact browser storage usage, available quota, IndexedDB, and localStorage consumption. - **[Privacy Policy Section Builder (GDPR / CCPA)](https://www.everydaytoolsportal.com/utilities/privacy-policy-section-builder/?lang=es)**: Generate tailored privacy policy clauses for website cookies, server logs, analytics, and user rights. - **[Website Launch Readiness Checklist](https://www.everydaytoolsportal.com/utilities/website-launch-readiness-checklist/?lang=es)**: Ensure complete launch readiness across Security, SEO, Performance, Favicons, 404 handlers, and SSL before going live. ### Herramientas para Desarrolladores y Web Standards-compliant JSON formatting, encoding, decoding, and cryptographic hashing tools. - **[JSON Formatter & Validator](https://www.everydaytoolsportal.com/developer-tools/json-formatter/?lang=es)**: Format, pretty-print, validate, and minify JSON online. Highlights syntax errors with clear messages and one-click copy. - **[Base64 Encoder & Decoder](https://www.everydaytoolsportal.com/developer-tools/base64-converter/?lang=es)**: Online Base64 encoder and decoder supporting UTF-8 and special characters. Fast, reliable conversion with input validation. - **[URL Encoder & Decoder](https://www.everydaytoolsportal.com/developer-tools/url-encoder-decoder/?lang=es)**: Encode or decode URLs and URI query strings using standard percent-encoding. Validates malformed sequences with instant copy. - **[Hash Generator](https://www.everydaytoolsportal.com/developer-tools/hash-generator/?lang=es)**: Generate secure cryptographic message digests for SHA-256, SHA-512, SHA-384, SHA-1, and MD5 online with zero network transmission. - **[HTML Entity Encoder & Decoder](https://www.everydaytoolsportal.com/developer-tools/html-entity-converter/?lang=es)**: Encode special characters to named or numeric HTML entities (<, >, &) or decode entity strings with full UTF-8 support. - **[CSS Formatter & Minifier](https://www.everydaytoolsportal.com/developer-tools/css-formatter-minifier/?lang=es)**: Format or minify CSS code online. Clean up indentation, strip whitespace, and reduce stylesheet file sizes instantly. - **[JavaScript Formatter & Minifier](https://www.everydaytoolsportal.com/developer-tools/js-formatter-minifier/?lang=es)**: Online JavaScript beautifier and minifier. Indent scripts cleanly or strip comments and extra whitespace for compact code. - **[XML Formatter & Validator](https://www.everydaytoolsportal.com/developer-tools/xml-formatter-validator/?lang=es)**: Format, beautify, and validate XML documents using standard browser XML parsers. Detects syntax errors and tags. - **[Regular Expression Tester & Matcher](https://www.everydaytoolsportal.com/developer-tools/regex-tester/?lang=es)**: Interactive JavaScript regular expression tester. Visual match highlights, capture groups, and flag options in real time. - **[JSON Web Token (JWT) Decoder](https://www.everydaytoolsportal.com/developer-tools/jwt-decoder/?lang=es)**: Client-side JWT decoder. Inspect token header, payload claims, and expiration dates with zero server transmission. - **[Cron Expression Helper & Explainer](https://www.everydaytoolsportal.com/developer-tools/cron-expression-helper/?lang=es)**: Translate 5-field cron expressions into plain human-readable schedules. Includes common presets and syntax guide. - **[SQL Query Formatter & Beautifier](https://www.everydaytoolsportal.com/developer-tools/sql-formatter/?lang=es)**: Format and beautify SQL queries with custom indentation and keyword casing. Fast, client-side SQL formatter. - **[SQL Query Syntax Linter & Safety Validator](https://www.everydaytoolsportal.com/developer-tools/sql-validator/?lang=es)**: Lint SQL queries for syntax errors, unclosed quotes, and dangerous missing WHERE clauses on UPDATE or DELETE. - **[HTTP Status Codes Reference & Debugging Guide](https://www.everydaytoolsportal.com/developer-tools/http-status-codes/?lang=es)**: Complete HTTP status code directory. Search 1xx, 2xx, 3xx, 4xx, and 5xx response codes with developer advice. - **[MIME Type & File Extension Directory](https://www.everydaytoolsportal.com/developer-tools/mime-type-lookup/?lang=es)**: Search standard MIME Content-Type headers by file extension or media type description. Instant client-side lookup. - **[Modern HTML5 Starter Boilerplate Generator](https://www.everydaytoolsportal.com/developer-tools/html5-boilerplate/?lang=es)**: Generate semantic HTML5 starter boilerplate with OpenGraph tags, responsive viewport, and CSS reset. - **[URL Query String Parameter Parser & Builder](https://www.everydaytoolsportal.com/developer-tools/url-query-parser/?lang=es)**: Parse URL query string parameters into an editable table. Add, modify, or delete parameters and re-encode URLs. - **[Website HTTP Response Headers & Security Inspector](https://www.everydaytoolsportal.com/developer-tools/website-header-checker/?lang=es)**: Inspect website HTTP headers and security postures. Check HSTS, CSP, and X-Content-Type-Options safely. - **[YAML Formatter, Validator & JSON Converter](https://www.everydaytoolsportal.com/developer-tools/yaml-formatter-validator/?lang=es)**: Validate, format, and convert YAML to JSON in your browser without sending config data over the network. - **[TOML Formatter & Config Validator](https://www.everydaytoolsportal.com/developer-tools/toml-formatter-validator/?lang=es)**: Lint, clean, and format TOML configuration files in your browser with real-time syntax checking. - **[Markdown Table Generator (GFM Interactive Grid)](https://www.everydaytoolsportal.com/developer-tools/markdown-table-generator/?lang=es)**: Build and export GitHub Flavored Markdown tables with visual cell inputs, alignments, and instant markdown copy. - **[HTML Accessibility (a11y) Checker (WCAG 2.1 Audit)](https://www.everydaytoolsportal.com/developer-tools/html-accessibility-checker/?lang=es)**: Audit HTML markup for WCAG 2.1 accessibility violations, missing image alts, and unlabeled form inputs. - **[HTTP Request Header Builder (cURL & Fetch Exporter)](https://www.everydaytoolsportal.com/developer-tools/http-request-header-builder/?lang=es)**: Build HTTP request headers and generate instant cURL and JavaScript fetch commands for REST API testing. - **[Web Color Contrast Checker (WCAG 2.1 AA & AAA Conformance)](https://www.everydaytoolsportal.com/developer-tools/web-color-contrast-checker/?lang=es)**: Check color contrast ratios against WCAG 2.1 AA and AAA standards for accessible web typography and UI components. - **[GraphQL Query Formatter & Minifier](https://www.everydaytoolsportal.com/developer-tools/graphql-query-formatter/?lang=es)**: Format, indent, validate, and minify GraphQL queries and mutations securely in your web browser. - **[GraphQL Schema (SDL) Explorer & Inspector](https://www.everydaytoolsportal.com/developer-tools/graphql-schema-explorer/?lang=es)**: Parse and explore GraphQL SDL schemas, inspecting object types, queries, mutations, and enums in an interactive outline. - **[Dockerfile Formatter & Linter](https://www.everydaytoolsportal.com/developer-tools/dockerfile-formatter-linter/?lang=es)**: Lint and standardize Dockerfiles to enforce uppercase instructions, non-root users, and minimal image layers. - **[.gitignore File Generator](https://www.everydaytoolsportal.com/developer-tools/git-ignore-generator/?lang=es)**: Create tailored .gitignore files for Node, Python, Java, Go, Rust, macOS, Windows, and VS Code. - **[Git Command Reference & Workflow Guide](https://www.everydaytoolsportal.com/developer-tools/git-command-reference/?lang=es)**: Instant reference for Git commands: undo commits, cherry-pick, interactive rebase, stashes, and branch management. - **[Environment Variable (.env) File Generator](https://www.everydaytoolsportal.com/developer-tools/env-file-generator/?lang=es)**: Compose and validate environment variable (.env) files with automated quoting, comments, and file download. - **[URL Query String Builder & Parameter Composer](https://www.everydaytoolsportal.com/developer-tools/url-query-string-builder/?lang=es)**: Compose complex URL query strings with key-value pairs, automated URI encoding, and instant link copying. - **[HTTP Response Security Header Analyzer](https://www.everydaytoolsportal.com/developer-tools/http-response-header-analyzer/?lang=es)**: Analyze website HTTP headers for security best practices and receive an actionable grade and recommendations. - **[Web App Manifest (PWA) Generator](https://www.everydaytoolsportal.com/developer-tools/web-manifest-generator/?lang=es)**: Create valid PWA manifest files with app icons, display modes, theme colors, and start URL configuration. - **[Content Security Policy (CSP) Header Builder](https://www.everydaytoolsportal.com/developer-tools/csp-builder/?lang=es)**: Interactive CSP policy builder with source directives, security warnings, and export as HTTP header or HTML meta tag. - **[OpenAPI Specification Viewer](https://www.everydaytoolsportal.com/developer-tools/openapi-specification-viewer/?lang=es)**: Paste OpenAPI or Swagger JSON specifications to parse endpoints, HTTP methods, parameters, and documentation models. - **[OpenAPI Mock Response Generator](https://www.everydaytoolsportal.com/developer-tools/openapi-mock-response-generator/?lang=es)**: Generate realistic dummy JSON responses directly from JSON Schema or OpenAPI data models. - **[API Payload Comparison Tool](https://www.everydaytoolsportal.com/developer-tools/api-payload-comparison-tool/?lang=es)**: Compare two JSON API responses side-by-side to highlight added keys, deleted fields, and value modifications. - **[JSON Schema Validator](https://www.everydaytoolsportal.com/developer-tools/json-schema-validator/?lang=es)**: Validate JSON payloads against JSON Schema definitions to check required properties and data types. - **[Semantic Version (SemVer) Comparator](https://www.everydaytoolsportal.com/developer-tools/semantic-version-comparator/?lang=es)**: Compare two Semantic Version strings (e.g. 2.1.0-beta.1 vs 2.1.0) and identify breaking major, feature, or patch releases. - **[Changelog Generator (Keep a Changelog)](https://www.everydaytoolsportal.com/developer-tools/changelog-generator/?lang=es)**: Convert git commit logs into standard Keep a Changelog releases sorted by Added, Fixed, and Performance. - **[Git Branch Naming Validator](https://www.everydaytoolsportal.com/developer-tools/git-branch-naming-validator/?lang=es)**: Audit git branch names against refspecs rules, forbidden characters, and team conventions (e.g. feature/PROJ-101-title). - **[Git Commit Message Validator](https://www.everydaytoolsportal.com/developer-tools/git-commit-message-validator/?lang=es)**: Check commit messages against Conventional Commits specification, subject line lengths, and imperative mood. - **[Test Case Generator from Requirements](https://www.everydaytoolsportal.com/developer-tools/test-case-generator-from-requirements/?lang=es)**: Transform product requirements and user stories into structured Given-When-Then BDD test specifications. - **[Log File Pattern Analyzer](https://www.everydaytoolsportal.com/developer-tools/log-file-pattern-analyzer/?lang=es)**: Analyze server and app logs to detect ERROR and WARN frequencies, HTTP status code distributions, and anomalies. - **[DNS Record Reference & Formatter](https://www.everydaytoolsportal.com/developer-tools/dns-record-reference-and-formatter/?lang=es)**: Format valid DNS records for A, AAAA, CNAME, MX, TXT, and CAA with copyable BIND zone syntax. - **[DNS Zone File Syntax Checker](https://www.everydaytoolsportal.com/developer-tools/dns-zone-file-syntax-checker/?lang=es)**: Check zone file syntax, origin directives, default TTL values, and missing trailing dots on FQDNs. - **[Email Authentication Record Builder (SPF / DMARC)](https://www.everydaytoolsportal.com/developer-tools/email-authentication-record-builder/?lang=es)**: Generate RFC-compliant SPF and DMARC TXT records to protect domain email delivery from spoofing and phishing. - **[DKIM Record Formatter & Inspector](https://www.everydaytoolsportal.com/developer-tools/dkim-record-formatter-and-inspector/?lang=es)**: Format public DKIM keys into valid 255-character chunked TXT records for DNS providers like Cloudflare, Route53, and BIND. - **[Certificate Expiry Date Calculator](https://www.everydaytoolsportal.com/developer-tools/certificate-expiry-date-calculator/?lang=es)**: Calculate remaining certificate lifespan, renewal countdown deadlines, and recommended Let's Encrypt renewal schedules. - **[TLS Configuration Reference (Mozilla SSL)](https://www.everydaytoolsportal.com/developer-tools/tls-configuration-reference/?lang=es)**: Generate secure TLS v1.2/1.3 configurations, cipher suites, and forward secrecy directives for Nginx and Apache. - **[HTTP Cookie Attribute Inspector](https://www.everydaytoolsportal.com/developer-tools/http-cookie-attribute-inspector/?lang=es)**: Inspect HTTP Set-Cookie headers for Secure, HttpOnly, SameSite, and domain scoping best practices. - **[Security Headers Policy Builder](https://www.everydaytoolsportal.com/developer-tools/security-headers-policy-builder/?lang=es)**: Generate HSTS, X-Content-Type-Options, X-Frame-Options, and Referrer-Policy response headers. - **[CORS Configuration Explainer](https://www.everydaytoolsportal.com/developer-tools/cors-configuration-explainer/?lang=es)**: Configure Access-Control-Allow-Origin, allowed methods, credentials, and preflight max-age headers. - **[Web Redirect Chain Analyzer for Pasted Data](https://www.everydaytoolsportal.com/developer-tools/web-redirect-chain-analyzer-for-pasted-data/?lang=es)**: Analyze pasted redirect chains from cURL or DevTools to identify redirect loops, protocol hops, and SEO loss. - **[DPDP Act Compliance Assessment & Certificate Generator](https://www.everydaytoolsportal.com/developer-tools/dpdp-compliance-assessment/?lang=es)**: Self-assessment readiness evaluation engine for India DPDP Act 2023. Evaluates Data Fiduciary notices, consent architecture, Grievance Officer SLAs, and generates an informational readiness summary. - **[Cyber Resilience Act (CRA) Assessment & Certificate Generator](https://www.everydaytoolsportal.com/developer-tools/cyber-resilience-act-assessment/?lang=es)**: Cybersecurity readiness self-assessment for digital products under EU Cyber Resilience Act (Regulation (EU) 2024/2847). Evaluates Annex I security-by-design, RFC 9116 security.txt, and SBOM transparency. - **[DPDP & Cyber Resilience Act Compliance Verifier](https://www.everydaytoolsportal.com/developer-tools/dpdp-cyber-resilience-verifier/?lang=es)**: Utilidad para desarrolladores: verificador de cumplimiento dpdp y ley de ciberresiliencia con ejecución inmediata en el cliente. - **[Malicious IP Detector & Reputation Inspector](https://www.everydaytoolsportal.com/developer-tools/malicious-ip-detector/?lang=es)**: Inspect IP address reputation, detect botnets & scrapers, audit access logs, and generate Cloudflare WAF, Nginx, Apache, and UFW firewall rules with 100% client-side privacy. ### SEO & Webmaster Tools Search engine optimization utilities, SERP simulators, Schema.org generators, and meta directive analyzers. - **[Robots.txt Generator & Directives Builder](https://www.everydaytoolsportal.com/seo-tools/robots-txt-generator/?lang=es)**: Generate standard robots.txt directives with sitemap links, crawl-delay settings, and AI training crawler rules. - **[SEO & Social Graph Meta Tag Generator](https://www.everydaytoolsportal.com/seo-tools/meta-tag-generator/?lang=es)**: Generate HTML meta tags for Google SEO, OpenGraph, and Twitter Cards with real-time SERP preview. - **[Open Graph Preview & Social Meta Tag Generator](https://www.everydaytoolsportal.com/seo-tools/open-graph-preview-generator/?lang=es)**: Preview social card link previews for Twitter, Facebook, and LinkedIn while generating complete Open Graph HTML tags. - **[Sitemap XML Generator (Google Search Console Ready)](https://www.everydaytoolsportal.com/seo-tools/sitemap-xml-generator/?lang=es)**: Generate valid XML sitemaps for Google Search Console from a list of URLs with change frequency and priority settings. - **[Structured Data Schema Generator (JSON-LD)](https://www.everydaytoolsportal.com/seo-tools/structured-data-schema-generator/?lang=es)**: Generate valid Schema.org JSON-LD markup for Articles, Products, Organizations, Local Businesses, and FAQs for Google Rich Results. - **[Google SERP Snippet Simulator & Pixel Width Checker](https://www.everydaytoolsportal.com/seo-tools/google-serp-preview/?lang=es)**: Free online Google SERP simulator. Preview title tag pixel width and mobile/desktop search snippet appearance with real-time truncate alerts. - **[FAQ Schema (JSON-LD) Generator](https://www.everydaytoolsportal.com/seo-tools/schema-faq-generator/?lang=es)**: Generate valid FAQPage JSON-LD structured data for Google Search rich results. Interactive editor with live schema validation and one-click copy. - **[Keyword Density & N-Gram Frequency Checker](https://www.everydaytoolsportal.com/seo-tools/keyword-density-analyzer/?lang=es)**: Analyze keyword density and n-gram frequency in real-time. Detect keyword stuffing, filter stop words, and optimize content for search engines. - **[Canonical Tag & Pagination Link Builder](https://www.everydaytoolsportal.com/seo-tools/canonical-tag-generator/?lang=es)**: Generate valid rel="canonical" HTML tags and pagination directives to prevent duplicate content indexing penalties. ## Privacy & Architecture - Zero data transmission for sensitive inputs (passwords, hashes, image files, private notes). - Fully responsive, semantic HTML5, accessible ARIA attributes, and zero external tracking bloat. - Multilingual routing supported via `?lang={en|es|hi|ar}` with reciprocal hreflang tags.