JWT Decoder
Decode JWT header and payload JSON and inspect common claims like expiration.
JWT token
Paste your JWT
Enter or paste the JWT token you want to decode
Click decode
Click "Decode" to extract header and payload
View and copy
View the decoded data and copy to clipboard
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Guides & Resources
Learn how to use this tool effectively with our comprehensive guides and tutorials.
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Frequently Asked Questions
Find answers to common questions about this tool
Does decoding a JWT verify the signature?
No. Decoding shows the header and payload. Signature verification requires the secret/public key.
Is it safe to decode JWTs here?
The tool is designed for in-browser decoding. Avoid sharing sensitive tokens and use test tokens when possible.
Is this JWT decoder free?
Yes. It is free with no signup required.
Can I use JWT Decoder online for free?
Yes. You can use jwt decoder online for free with no signup or paid plan required.
Does JWT Decoder run directly in the browser?
Yes. JWT Decoder is designed around secure browser-based processing so your workflow stays fast and privacy-conscious.
Can I use JWT Decoder on mobile, tablet, and desktop?
Yes. JWT Decoder works in modern mobile browsers as well as on tablet and desktop devices.