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gchq/CyberChef

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

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Stars
 (34,843 stars)
Forks
 (3,944 forks)
Indexed issues
 (64 indexed issues)
open beginner issues
 (55 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
May 15, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
JavaScript
PR merge metrics
 (Avg merge 57d 13h) (62 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

64 indexed issues

Open
Feature Request: jjencode encoder
help wantedoperation
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #220 · Dec 20, 2017 · JavaScript · 34,843 stars

1 comment0 reactions0 assignees
Open
Misc: Mobile UI
featurehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #181 · Aug 18, 2017 · JavaScript · 34,843 stars

14 comments6 reactions0 assignees