Developer tool · 100% free

JWT Decoder

Decode JWT header and payload data locally in your browser without verifying, cracking or sending the token anywhere.

Built for: jwt decoder

Runs on your deviceFree · no signup

Included in this tool

Header decodePayload decodeExpiry displayBrowser-local processing

What this tool includes

Everything you need, without a paywall.

Header decode

Payload decode

Expiry display

Browser-local processing

This tool is free, needs no account, and adds no watermark to your result. Text operations run on your device where the browser can do the work safely; file conversions run on the server and your upload is deleted as soon as your download finishes.