Password Generator
Generate a random password on your device.
Runs in your browser
FreeRuns in your browser
JWT Decoder
Decode a JWT header and payload without verifying its signature.
Input
Up to 200 KB
Result
Your result will appear here.
Processed on your device · Content is not stored.
Instructions & limits
How to use
Decode a JWT header and payload without verifying its signature.
- Enter your content, or select Use example.
- Adjust the available options.
- Select Run tool, review the result and copy or download it.
When to use this tool
Decode a JWT header and payload without verifying its signature.
Example input
eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJvbWtleSJ9.c2lnbmF0dXJl
Limits
Does not verify signature, expiration or issuer. Do not use the output for authentication, authorization or trust decisions. Decoding a JWT does not verify its signature, issuer or permissions.
Frequently asked questions
What does this tool do?
Decode a JWT header and payload without verifying its signature.
What are the limits?
Does not verify signature, expiration or issuer. Do not use the output for authentication, authorization or trust decisions.
Is my data sent to a server?
No. This tool runs in your browser. We do not receive your input or result.
Do I need an account?
No. Use the tools for free without signing in. Favorites and recent tools are stored only in your browser.
Does this work on mobile?
Yes, in a modern browser with Web Crypto support.
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