JwtDecoder

ShikeChen·ShikeChen.JwtDecoder

Offline JWT decoder and (optional) signature verifier — single native exe, no runtime needed.

jwtdecode is a single ~2.5 MB Native AOT executable (no .NET runtime required) that decodes JSON Web Tokens fully offline. It supports every major JOSE algorithm family (HS/RS/PS/ES 256/384/512), query expressions for extracting individual claims, expiry / not-before validation, and signature verification from key files or stdin. Works as a standalone command or in pipelines.