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JWT Decoder
Decode and inspect JSON Web Tokens (JWT).
How to Use
- 1Paste the JWT token in the input field
- 2Click the "Decode" button
- 3View the decoded header, payload, and signature
- 4Check the token's expiration and issuance times
- 5Use the "Copy" button to copy the decoded content
Use Cases
- •Debug authentication issues in web applications
- •Inspect JWT tokens from API responses
- •Verify token claims and expiration times
- •Understand the structure of OAuth and SSO tokens
Tips
- 💡Check the expiration claim (exp) to verify token validity
- 💡Never store sensitive data in the JWT payload - it's only encoded, not encrypted
- 💡Verify the signature before trusting the token contents
- 💡Use JWT Inspector in browser dev tools to debug tokens
About This Tool
This is a free online tool that helps you complete tasks quickly. All processing happens in your browser to keep your data secure.
🔒 Privacy Protected⚡ Instant Processing🌐 No Registration