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Hex Viewer & Magic Numbers

View the raw hex bytes to determine the true file type.

How it works

This tool runs entirely in your browser using vanilla JavaScript. Data is not sent to any server. Mechanically, it processes the input string or array buffer using native web APIs (like WebCrypto, TextEncoder, or regex matching).

Common Use Cases

  • Debugging broken files.
  • Verifying data integrity.
  • Extracting raw data structures.

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