About
CyberChef is a browser-based web application for analysing, decoding, and transforming data with a drag-and-drop recipe interface. It runs entirely in the browser with no server-side component, and supports operations such as Base64 decoding, date and time conversion, hexdump parsing, decompression, hashing, and shellcode disassembly.
The page describes support for loading files by drag-and-drop, handling inputs up to around 2GB depending on the browser, and presenting large outputs as downloadable files when they exceed a 1MiB threshold. It is aimed at developers, analysts, and security users who need a local, self-contained tool for working with encoded or structured data.
- Browser-only execution
- Drag-and-drop file input
- Up to around 2GB inputs
- 1MiB downloadable output threshold
- Recipe-based data transformations
- Contextual F1 help
- Standalone ZIP download
Free Tier Value
This is a truly uncapped always-free offering: the page describes a browser-based app with no signup, no credit card, and a downloadable standalone ZIP for offline use. Because there is no paid tier on the page and no concrete quota to compare against, the free tier is effectively the full product and its monthly value can’t be defensibly priced as a capped allowance.
What's included in the free tier
- Browser-based access to CyberChef without server-side processing.
- Local file input via drag-and-drop into the input box.
- Standalone ZIP download for offline or segregated-network use.
- Large input handling up to around 2GB, depending on browser.
- Automatic file download for outputs larger than the default 1MiB threshold.
See CyberChef pricing for current limits.
