Repository Issues

gchq/CyberChef

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

View on GitHub
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
manchester encoding / decoding
featurehelp wantedoperation
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

gchq / CyberChef · #1104 · Sep 18, 2020 · JavaScript · 34,843 stars

4 comments0 reactions1 assignee
Open
Feature request: Be able to rename tabs.
featurehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #920 · Dec 5, 2019 · JavaScript · 34,843 stars

1 comment0 reactions0 assignees
Open
Operation request: PKCS7 Parser
help wantedoperation
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #863 · Oct 30, 2019 · JavaScript · 34,843 stars

0 comments6 reactions0 assignees
Open
zip with password bug
bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #671 · Oct 11, 2019 · JavaScript · 34,843 stars

7 comments0 reactions0 assignees
Open
Operation request: Word Cloud Generator
help wantedoperation
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #640 · Sep 19, 2019 · JavaScript · 34,843 stars

4 comments0 reactions0 assignees
Open
Feature request: ASP ViewState Decoder
help wantedoperation
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #603 · Jul 25, 2019 · JavaScript · 34,843 stars

0 comments3 reactions0 assignees
Open
Feature Request: Add Audio-related tools
help wantedoperation
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #542 · Apr 15, 2019 · JavaScript · 34,843 stars

0 comments1 reaction0 assignees
Open
Operation request: MIME rfc2047
help wantedoperation
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #538 · Apr 9, 2019 · JavaScript · 34,843 stars

2 comments1 reaction0 assignees
Open
Feature request: yenc encode/decode/detect
help wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #502 · Mar 5, 2019 · JavaScript · 34,843 stars

0 comments0 reactions0 assignees
Open
Improvement: Rolling XOR
help wantedimprovement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #426 · Nov 20, 2018 · JavaScript · 34,843 stars

1 comment0 reactions0 assignees
Open
Operation request: JavaScript deobfuscator
help wantedoperation
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #425 · Nov 20, 2018 · JavaScript · 34,843 stars

0 comments3 reactions0 assignees
Closed
Operation request: Escape Smart Characters
good first issuehelp wantedoperation
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

gchq / CyberChef · #419 · Nov 20, 2018 · JavaScript · 34,843 stars

4 comments0 reactions0 assignees