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JWT Decoder
Decode and inspect JWT tokens — header, payload, expiry
Paste JWT Token
Paste a JWT token above and click Decode
Easy Tutorial
How to Use JWT Decoder in 3 Steps
Follow this quick walkthrough to get optimal results in seconds.
1
Paste JWT
Paste your Bearer token or raw JWT string.
2
Instant Inspection
View header, payload claims, and expiration dates.
3
Copy Claims
Copy decoded JSON data for debugging.
Engineered for Quality
Key Features & Benefits
100% Client-Side
Your tokens are NEVER transmitted across the network.
Human Readable Dates
Converts UNIX timestamps (`exp`, `iat`) into readable dates.
Cloudflare R2 Temporary Storage
Files are processed securely and deleted automatically upon download. No permanent logs or storage.
100% Free & Limitless
No subscription fees, no account registrations, and no artificial throttles.
Technical Specifications & Compatibility
Supported AlgorithmsHS256, RS256, ES256, and all standard JWT headers
Got Questions?
Frequently Asked Questions
Yes, decoding is performed purely in your browser using JavaScript; no token ever leaves your computer.
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