About JWT Decoder

JWT Decoder is a free, fast, and privacy-focused online utility for decoding and inspecting JSON Web Tokens (JWT) with header and payload analysis.

Privacy First

All processing happens locally in your browser using JavaScript. We never transmit, store, or log any of your data.

Tech Stack

Built with Astro and Tailwind CSS, deployed on Cloudflare Pages.

Contact

Found a bug or have a suggestion? Feel free to reach out at contact@jwt-decoder.dev.