JWT Decoder

What this tool does

Decode a JWT header and payload in the browser for inspection; decoding does not verify the token signature.

Input: code, text, URLs or developer parameters.

Output: formatted, parsed, encoded, decoded or generated output.

How to use it

1. Enter the code, text or structured value you want to inspect or convert in JWT Decoder.
2. Review the available options, then run JWT Decoder and read any warning or validation message.
3. Check the actual output before copying, downloading or using it in another system.

Common uses

JWT Decoder is useful when you need to decode a JWT header and payload in the browser for inspection; decoding does not verify the token signature.