Assistant · Vendor site 2026-10-04
CyberChef is a browser-based data transformation workbench from GCHQ that chains encoding, encryption, compression, and analysis operations in a visual recipe.
Security analysts, developers, and researchers who need quick, repeatable data manipulations without installing desktop tools.
Processing happens in the browser, so very large inputs depend on local device memory and performance rather than a scalable backend.
CyberChef lets operators stack transforms in a recipe UI for encoding, decoding, and analysis, with optional offline bundles for air-gapped or self-hosted use.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Client-side app | Download notice states CyberChef has no server-side component and can run locally from an uncompressed ZIP. | Facts sourced | 2026-10-04 |
| Official hosting | Site recommends using the official open-source build at gchq.github.io/CyberChef when accessible. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
The hosted CyberChef app is free to use in the browser, and the site provides a downloadable ZIP for local or internal hosting.
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Explore toolThe practical questions
CyberChef is a browser-based data transformation workbench from GCHQ that chains encoding, encryption, compression, and analysis operations in a visual recipe.
The hosted CyberChef app is free to use in the browser, and the site provides a downloadable ZIP for local or internal hosting.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
Processing happens in the browser, so very large inputs depend on local device memory and performance rather than a scalable backend.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.