Developer Tools / JWT Decoder
JWT Decoder
Decode a JWT token to view its header and payload.
Features
- Decodes header and payload
- Formatted, readable JSON output
- Processed entirely in your browser
- Free, unlimited use
How to Use
Step 1
Paste your JWT token.
Step 2
Click Decode Token.
Step 3
View the header and payload.
About This Tool
JWT Decoder decodes a JSON Web Token and displays its header and payload as readable JSON, without verifying the signature.
Frequently Asked Questions
Does this verify the token signature?
No, this only decodes the readable parts — it does not check whether the token is authentic.
Is my token sent anywhere?
No, decoding happens entirely in your browser.