JWT Decoder
About JWT Decoder
What is a JWT?
JSON Web Tokens are compact tokens used for authentication. This tool decodes without verifying signatures.
Features
Base64URL Decode: Properly decodes URL-safe Base64.
JSON Pretty: Pretty-printed header and payload.
Signature View: Inspect signature segment.
Local: No data leaves your browser.
FAQ
Does this verify signatures?
No, it only decodes. Verification requires keys.
Is it safe to paste tokens?
Processing is local, but avoid sensitive production tokens.