Decode & Inspect JWT Tokens Online (100% Private)
Decode and inspect JSON Web Tokens (JWT) safely in your browser. Inspect header algorithms, payload claims (sub, iss, aud), and expiration timestamps with zero server logging.
Key Technical Capabilities
- Zero Token LeakageAuth tokens and API keys never leave your machine.
- Human Readable ExpirationTranslates exp epoch timestamps into local date and relative time (e.g. Expired 2 hours ago).
How to Decode a JWT Token
- Paste JWT TokenPaste your encoded header.payload.signature string into the token input box.
- Inspect ClaimsReview parsed JSON header algorithms, payload subject claims, and role arrays in real time.
Frequently Asked Questions
- Are confidential bearer tokens uploaded?
- No, decoding executes 100% locally in browser memory.