JWT Decoder
Decode and inspect JWT tokens — view header, payload, and expiry details.
🔒 No uploads⚡ Instant🆓 Free
How It Works
1
Paste a JWT token.
2
Instantly see the decoded header and payload.
3
Check token expiry and issued-at timestamps.
Features
✓Decode header and payload
✓Expiry status (valid/expired)
✓Issued-at timestamp
✓JSON syntax display
✓Copy sections individually
✓Works offline
Frequently Asked Questions
Is it safe to paste my JWT here?▼
Absolutely. All decoding happens in your browser. Nothing is sent to any server.
Can it verify signatures?▼
This tool decodes the token for inspection only. Signature verification requires the secret key.
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