Text & Developer Tools
JWT Decoder
Decode JWT header and payload without verifying the signature.
- Private when possible
- No account required
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About this tool
JWT Decoder helps developers inspect claims during debugging with an explicit non-verification warning.
How to use
- Paste a JWT.
- Inspect header and payload JSON.
- Remember: unsigned trust is unsafe.
Features
- Header + payload
- Base64URL decode
- No verify warning
- Local
Common use cases
- Development
- Debugging
- Data cleanup
Supported formats
Privacy
This tool processes data in your browser. Content is not uploaded to our servers unless a feature explicitly requires a network request.
Frequently asked questions
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