CyberChef: CRC Checksum
Computes CRC checksums using many named CRC variants.
Artifact by GCHQ
Use it
Opens gchq.github.io in a new tab. Nothing to install.
- You provide
- Data
- You get
- CRC value
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Processed in your browser, not uploaded (stated by the tool or its repo)
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Developer tools · crc
Reviews
Write a reviewNo reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work
More developer tools tools
- 0.886score
Svelte Playground
Svelte team
Write Svelte components in the browser with a live preview and shareable URL.
ArtifactNo sign-up★ 88.5Kdeveloper tools - 0.874score
Vue SFC Playground
Vue team
Edit Vue single-file components and see the compiled result and preview instantly.
ArtifactNo sign-up★ 54.8Kdeveloper tools - 0.873score
Hoppscotch
hoppscotch
An open-source API client for building and testing REST and GraphQL requests, usable in the browser.
Artifact★ 80.7Kdeveloper tools - 0.867score
IT Tools
Corentin Thomasset
Collection of small developer utilities such as encoders, hash generators, converters and calculators, grouped in one app.
ArtifactNo sign-up★ 41.1Kdeveloper tools - 0.866score
ShellCheck
ShellCheck
Analyses shell scripts online and points out bugs and portability problems.
ArtifactNo sign-up★ 40.3Kdeveloper tools - 0.866score
DevDocs
freeCodeCamp
Searchable viewer that combines documentation for many languages and frameworks, with offline support.
ArtifactNo sign-up★ 39.6Kdeveloper tools
Details
- Auth
- No auth
- License
- Apache-2.0
- Repository
- github.com/gchq/CyberChef
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
More from GCHQ
- 0.839score
CyberChef
GCHQ
Drag-and-drop recipe builder that chains hundreds of operations for encoding, encryption, compression and data analysis.
ArtifactNo sign-up★ 36.3Ksecurity privacy - 0.573score
CyberChef: Translate DateTime Format
GCHQ
Rewrites a date string from one format and time zone to another.
ArtifactNo sign-upIn-browserconverters - 0.573score
CyberChef: Argon2
GCHQ
Hashes input with Argon2 using tunable memory, time and parallelism.
ArtifactNo sign-upIn-browsersecurity privacy - 0.573score
CyberChef: Generate TOTP
GCHQ
Generates a time-based one-time password from a secret.
ArtifactNo sign-upIn-browsersecurity privacy - 0.573score
CyberChef: Remove whitespace
GCHQ
Strips spaces, tabs and line breaks from input.
ArtifactNo sign-upIn-browsertext writing - 0.573score
CyberChef: Magic
GCHQ
Tries to detect the encodings and operations that turn encoded input into readable output.
ArtifactNo sign-upIn-browsersecurity privacy
Cite this page
CyberChef: CRC Checksum: free online tool. Agent Mart. https://agentmart.dev/artifacts/cyberchef-crc-checksum (last updated 2026-10-31)