AUTH DEBUG

JWT Decoder

> Decode JWT header and payload locally in your browser.
> Inspect exp, iat, and nbf claims without sending bearer tokens to third-party sites.

JWT or Bearer token

Decode only

This tool decodes header and payload locally. It does not verify the signature or prove the token is trustworthy.

Header JSON

// Decoded JSON appears here...

// Decoded JSON appears here...

Header, payload, signature segment state, and timestamp analysis will appear here.

// Signature segment appears here...

Base64

Encode and decode text to/from Base64 format with UTF-8 support.

URL Encoder

Encode and decode URL components or form values with UTF-8-safe browser processing.

JSON Formatter

Validation, formatting and syntax highlighting for JSON.

Password Generator

Cryptographically secure password generator.