header.payload.signature
Instant JWT & Base64 Inspector
Paste a token below and watch it split apart in real time. Decode JWTs, Base64, and URLs, or generate and verify MD5/SHA hashes — every byte stays in your browser, nothing is ever uploaded.
Read the JWT Security Guide →·JWT vs Tokens →Paste a token
All decoding happens entirely in your browser. No data is ever sent to a server — nothing you paste here is transmitted, logged, or stored.
Every tool, one click away