Toolvado

JWT Decoder

Decode JSON Web Tokens (JWT) to view header and payload. Note: This tool does not verify signatures.

Note: This tool only decodes the JWT. It does not verify the signature or validate the token.

About JWT Decoder Tool

Our JWT decoder is a powerful online tool for decoding and inspecting JSON Web Tokens without verification. This free JWT decoder tool allows developers to quickly decode JWT tokens and view their header, payload, and signature components in a readable JSON format. Whether you're debugging authentication issues, inspecting API tokens, analyzing OAuth tokens, or understanding JWT structure, our JWT parser makes it easy to decode and examine JWT contents instantly. The tool automatically validates JWT format and provides clear error messages for malformed tokens.

JSON Web Tokens (JWT) are widely used for secure authentication and authorization in modern web applications, REST APIs, and microservices architectures. Our JWT decoder extracts the Base64-encoded header and payload sections, decodes them, and displays the data in beautifully formatted JSON. Perfect for developers working with JWT authentication, inspecting access tokens, debugging refresh tokens, or learning how JWT works. Important: This tool decodes JWT tokens for inspection purposes only—it does not verify signatures or validate token authenticity.

Toolvado's JWT decoder works entirely in your browser with complete privacy—no JWT tokens are sent to external servers or stored anywhere. The tool provides instant decoding with separate views for header and payload data, making it easy to inspect token claims, expiration times, issuer information, and custom payload data. Whether you need a JWT debugger for development, a JWT inspector for security analysis, or a JWT parser for learning purposes, our free JWT decoder tool delivers clear, formatted results instantly. Try our JWT decode tool now and understand your tokens better!

100% Private & Secure

All processing happens locally in your browser. No data is stored or sent to servers.