✗ Signature mismatch For RS256 tokens, use a public key:
go install github.com/youruser/jwudtool@latest Got a feature request or found a bug? Open an issue on GitHub . jwudtool tutorial
jwudtool verify --pubkey public.pem <token> Need to change a claim for testing? Clone and modify: ✗ Signature mismatch For RS256 tokens, use a
jwudtool verify --secret mysecret <token> Expected output: ✗ Signature mismatch For RS256 tokens
"alg": "HS256", "typ": "JWT"
jwudtool decode eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
💡 Tip: Use --pretty for colorized output. If you have the secret key ( mysecret ):