Show HN: Jwtpeek – minimal, user-friendly JWT inspector in Go
alesrdev Sunday, February 08, 2026
Built a small Go CLI/library to inspect JWTs locally and optionally verify HMAC signatures.
Repo: https://github.com/alesr/jwtpeek
Not trying to replace mature JWT libraries out there. Just sharpening my idiomatic Go and having a quick way to check JWTs without sharing secrets.
Feedback welcome. What would make it more useful: stdin support, JSON output, exit codes, JWKS/RS256 support, or claim/policy flags?
Summary
jwtpeek is a command-line tool that allows users to inspect the contents of a JSON Web Token (JWT) without decrypting it. It provides a simple and efficient way to view the JWT's header, payload, and signature information.
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Summary
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