100% en el navegador y privado

File Extension Identifier

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

Identify unknown file formats by extension or by uploading a file to inspect magic numbers, MIME types, and default applications.

Magic Bytes & File Type Intelligence Database

Identify unknown file formats by extension or by uploading a file to inspect magic numbers, MIME types, and default applications.

Estándares verificados
Resultados precisos y deterministas Probado según especificaciones oficiales para obtener resultados reproducibles y fiables.

Cómo usar esta herramienta

  1. Select or drag and drop your image file into the upload zone above.
  2. Adjust compression quality, dimensions, or filters using interactive controls.
  3. Review the real-time visual canvas and click Download to save your optimized image.

Formatos admitidos, límites y privacidad

Entradas y límites: Browser client-side processing limits apply (e.g. max recommended image size 25MB).

Cero recopilación de datos: Esta herramienta se ejecuta al 100% dentro del motor JavaScript del navegador del cliente. Ninguna pulsación de teclas, valores, archivos o resultados calculados se almacenan o transmiten a ningún servidor remoto.

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