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CyberChef

Turn a chain of fiddly conversions into a recipe you can inspect and rerun.

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CyberChef homepage screenshot
SCREENSHOT / SEPTEMBER 2026

CyberChef combines hundreds of small data operations in a visual workbench. Drag steps such as Base64 decoding, decompression, hashing or character conversion into a recipe, paste the input and inspect the output immediately.

Building a recipe

Search the operations list and drag steps into the middle column in the order they should run. Paste data into the input panel; Auto Bake updates the output as the recipe or source changes.

Start with reversible work

Encoding, decoding, text conversion and decompression are easier to verify than an unfamiliar cryptographic operation. Keep the recipe visible so another person can understand exactly how an output was produced.

Handle sensitive data carefully

The project says processing is normally performed in the browser, while documenting a small number of operations that contact external services. Review the selected operations and your organisation’s rules before using confidential material.

Things to know

  • A successful transformation does not prove the interpretation is correct.
  • A few operations use external services.
  • Large inputs and expensive recipes can overwhelm the browser.
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