JWT Debugger

The JWT Debugger is a free, browser-based tool for decoding, verifying, and inspecting JSON Web Tokens.

• Paste tokens to view decoded header, payload, and signature instantly
• Verify signatures to detect tampering
• Check expiration and time-based claims
• Generate new JWTs with custom header, payload, and signature details
• All processing occurs client-side, keeping tokens in the browser
• No WorkOS account required