Dev Tools

Free JWT Decoder Online 2026 - Inspect JSON Web Tokens

Decode JWT tokens safely in your browser. View header, payload, expiration and claims without sending data to any server. Free and private.

Also available in Português (BR).

Inspecionar JWT

Decodifique tokens JSON Web Token localmente. Nenhum dado e enviado a servidores do Toolspace.

Segmentos detectados: 0

Header

Contem algoritmo e tipo de token. Verifique se esta usando um algoritmo esperado.

Payload & claims

Visualize claims padroes e personalizados. Use o filtro para localizar audiences.

Why decode JWTs locally?

JWTs often contain user identifiers, roles and auth metadata. Pasting them into a remote decoder can leak sensitive claims. Toolspace runs entirely in your browser — the token never reaches our servers.