Paste a JWT (JSON Web Token) to see its contents.
- Header: Algo and Type.
- Payload: User data, expiration (exp), issued at (iat). Security: Tokens are decoded in-browser. We never see your keys.
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JWT Debugger
Decode, verify, and inspect JSON Web Tokens locally in your browser
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About Decode JSON Web Tokens
1
Paste Token
Enter the eyJ... string.
2
View
Read the JSON data.
3
Save Your Output
Click the download or copy button to export your results to your device or clipboard.
Key Features
No Signature Check
Decodes payload without needing the secret key.
Date Parsing
Converts timestamps to readable dates.
Frequently Asked Questions
We decode it client-side only. However, for maximum security, rotate your tokens if you feel unsure.
Currently, we only decode the payload for debugging purposes.
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