JWT Decoder
Decode and inspect JWT tokens. View header, payload, and signature. Check expiration status. Free online JWT decoder tool.
How to Decode a JWT Token
- 1 Paste your JWT token into the input field
- 2 View the decoded header with algorithm and token type
- 3 Examine the payload containing the claims and data
- 4 Check the token expiration status
- 5 Copy any section you need using the copy button
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1