JWT Generator
Generate and decode JSON Web Tokens (JWT) for authentication. Create tokens with custom claims, choose algorithms, and verify signatures securely.
How to Generate a JWT Token
- 1 Select the signing algorithm (HS256, RS256, etc.)
- 2 Fill in standard claims: issuer, subject, audience
- 3 Set the expiration time for the token
- 4 Add any custom claims you need
- 5 Enter your secret key or private key
- 6 Click Generate JWT to create the token
Frequently Asked Questions
Is my code or data stored anywhere? ▼
No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.
Can I use these tools offline? ▼
Yes! After the initial page load, most developer tools work without an internet connection.
Are there API limits? ▼
No limits. Since processing happens in your browser, you can use the tools as much as you need.
Is the output compatible with production use? ▼
Yes. Our tools produce standard-compliant output suitable for production environments.
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Last updated: January 15, 2026 · v2.1