What is JWT Decoder and what does it do?

JWT Decoder is a free online tool that lets you decode and inspect json web tokens (jwt) online. view header, payload, and expiration status.. Decode and inspect JSON Web Tokens (JWT) online. View header, payload, and expiration status.

Is JWT Decoder safe to use? Are my files uploaded to a server?

Yes, JWT Decoder is completely safe to use. This tool processes everything directly in your browser using client-side technology. Your data never leaves your device -- nothing is uploaded to any server. This ensures complete privacy and security for all your files and data.

Can I use JWT Decoder on any device or browser?

Yes, JWT Decoder works on any modern web browser including Chrome, Firefox, Safari, and Edge on desktop, tablet, and mobile devices. No installation or plugins are required -- it runs entirely in your browser.