100% In-Browser & Private

Wi-Fi & Password Entropy Strength Tester

Client-Side Sandbox
100% In-Browser Privacy All computations and file processing run strictly in your browser. Zero server data uploads.

Calculate Shannon bits of entropy, evaluate character set combinations, and estimate brute-force cracking resistance.

100% Client-Side Privacy (Keys Never Sent to Server)

Test your Wi-Fi pre-shared key (WPA2/WPA3) or password strength, calculate Shannon entropy, and evaluate resistance against dictionary and brute-force attacks.

Strength Assessment: Weak 0 bits of entropy
Character Length 0
Online Brute Force (100 guesses/s) Instant
WPA2 Offline Cracking (1M H/s) Instant
Supercomputer Cluster Instant
Character Variety Checklist:
✕ Lowercase letters (a-z)
✕ Uppercase letters (A-Z)
✕ Numbers (0-9)
✕ Special Symbols (!@#$)
✕ At least 12 characters
Standards Verified
Deterministic & Accurate Output Tested against official specifications for reliable, reproducible calculation results.

How to Use This Tool

  1. Configure your utility settings, input parameters, or generator options above.
  2. Click Generate, Start, or toggle options to initiate the utility.
  3. Review generated results or timers, then click Copy or Download to export.

Supported Formats, Boundaries & Privacy

Inputs & Boundaries: Generates cryptographic or high-precision values using the standard Web Cryptography API and high-resolution timers.

Local Client-Side Processing: Tool computations and file operations execute 100% locally within your browser sandbox via JavaScript and HTML5 Web APIs. Your input values, uploaded files, and computed results are never transmitted to our web servers. General site access, analytics, and advertising cookies are managed transparently under our Privacy Policy and Cookie Policy.

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