JWT/JWE Decoder • Verifier • Decrypter

Decode locally; verify signatures via backend for stronger security (HS*/JWKS), with automatic client fallback when safe.

Header
Payload

Privacy: Header & payload are decoded locally. Verification uses the backend by default (recommended for HS* and JWKS). Toggle it off to keep everything local.

Keep this tool alive ☕

This tool is free — but it runs on real servers, real APIs, and real costs.
If it helped you even once, consider supporting Postly.

Faster downloads Stable uptime More free tools

No pressure — tools stay free for everyone.