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JWT Encoder Decoder Tool

Build and inspect JSON Web Tokens on one page with separate tabs for encoding and decoding.

JWT Decoder

Decode a JWT into header and payload JSON, and optionally verify the signature using a secret.

Provide the same secret only if you want signature verification on supported HMAC algorithms.
0 token chars
Mode Decode
Algorithm N/A
Verification Not checked
Status Idle

JWT Encoder

Create a signed JWT from header JSON, payload JSON, and a secret key.

Supported signing algorithms for encoding: `HS256`, `HS384`, and `HS512`.
0 token chars
Mode Encode
Header Type JSON
Payload Type JSON
Status Idle
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