JWT decoder
Decoding stays in this tab. The signature is not verified.
JWT
Header
Payload
How to use this tool
Read a JWT header and payload in this tab. The signature is never verified.
Open JWT decoder
The token field is empty. Header and payload panes wait on the right.
Paste the token
A JWT has two or three parts separated by dots. Header and payload appear as JSON.
Read the claims
Copy the payload if you need it. This is not proof the token is authentic.
FAQ
Can I decode a JWT here?
Yes. Paste a token. The tab shows the header and payload as JSON.
Is the token uploaded?
No. Decoding stays in this tab. Closing it discards the token.
Do you verify the signature?
No. This is a decoder only. It does not prove the token is authentic.
What about expiry?
If payload.exp is a Unix second, the tab says whether that time has passed.
Can I copy the payload?
Yes. Copy puts the payload JSON on the clipboard.