JWT Generator

Create and sign HMAC SHA-256 JSON Web Tokens with custom header, payload claims, and secret keys.

100% In-Browser Privacy

Zero Server Uploads

Header JSON

Payload Claims JSON

Secret Key (HMAC SHA-256)

Key Capabilities & Features

Web Crypto API HMAC-SHA256 signing

Custom claims editor with valid JSON parsing

One-click copy signed token

Client-side execution

Yes! It generates standard RFC 7519 compliant JSON Web Tokens.

Your feedback directly guides our next updates and optimizations.

Audit your website's readiness for Google AdSense before applying. Check SSL, content depth, policies, robots.txt, and SEO.

Beautify, validate, minify, and debug JSON data with real-time error syntax diagnostics.

Encode text and binary files to Base64 format or decode Base64 data back into plaintext and files.