JWT Decoder — Decode JSON Web Tokens Online
Decode and inspect JWT tokens. View header, payload, and expiration without verification.
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Frequently Asked Questions
How do I use the JWT Decoder?
Paste your JWT token into the input field. The header, payload, and expiration are decoded and displayed instantly.
Is the JWT Decoder free?
Yes, the JWT Decoder on ToolPix is 100% free with no signup or installation required.
Is my data safe?
All processing happens in your browser, your data never leaves your device.
Can it verify JWT signatures?
This tool decodes and displays the payload without verifying the signature. Signature verification requires the secret key and should be done server-side.
What JWT parts are shown?
All three parts are decoded: the header (algorithm type), the payload (claims and data), and the signature status.
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