JWT Decoder - Free, Instant, In Your Browser
Paste a JWT to see its decoded header and payload as readable JSON - decoding happens locally, your token never leaves your browser.
How to use Decode JWT
- 1Paste your text or data into the input box above.
- 2Decode JWT runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is only processed temporarily for the conversion and is automatically deleted within 24 hours.
Frequently Asked Questions
Does this verify the signature?
No, this only decodes the header and payload - it does not check whether the signature is valid.
Is it safe to paste my token here?
Yes - decoding happens entirely in your browser, so the token is never sent to a server.