// by seankriegler.com

JWT Decoder

Decode and inspect JSON Web Tokens - view header, payload, and expiry

// JWT Decoder

Paste any JWT token to decode the header and payload. View algorithm, claims, expiry time, and more.

// Client-Side

Decoding happens entirely in your browser. Your token is never sent to any server. 100% private.

// Expiry Check

Automatically detects exp/iat/nbf claims and shows human-readable dates. Warns if token is expired.