Skip to content
Numio

JWT Decoder

Decode a JWT header and payload in your browser and inspect JSON claims without sending the token to a server.

Input

90 chars1 lines

Result

Type or paste on the left — the result updates as you type.

Decoding does not verify the signature, issuer, audience or expiration. Do not treat decoded claims as authenticated. Encrypted JWE is unsupported.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Format references

Tool page updated: