Code Lab · Bench
JWT Decoder
Decode a JSON Web Token — locally & safely
Token
Header
Payload
Expires: 3/17/2030, 10:46:40 PM (valid)
Decoded locally — your token never leaves this page. (Signature is not verified.)
About this bench
About JWT Decoder
Decode a JSON Web Token to inspect its header and payload claims — entirely in your browser, so secrets never leave your device.
Input
Paste the code or structured data you want to inspect, format, convert or validate.
Result
A local validation, transformation or copy-ready result based on the selected options.
Limits
This bench does not execute or deploy your project. Validate generated output in the real target environment before production use.
How to use JWT Decoder
- 01Paste your JWT into the box above.
- 02View the decoded header and payload.
- 03Check the claims (issuer, expiry, subject…).
- 04Nothing is stored — close the tab and it's gone.
Frequently asked questions
Is my token safe?
Yes. The token is decoded entirely in your browser and is never sent or stored — important when it contains secrets.
Does it verify the signature?
It decodes and displays the token contents; it does not transmit or persist the token.