Free JWT Decoder & Encoder

Decode JSON Web Tokens (JWT) to view header and payload data, or encode JWT tokens with custom claims. Supports HS256, HS384, HS512, and RS256 algorithms.

JWT Operations

Required for HS256, HS384, HS512 algorithms

About JWT

JSON Web Tokens (JWT) are an open standard for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed.

Results

JWT Structure

A JWT consists of three parts separated by dots: Header (algorithm & token type), Payload (claims/data), and Signature (verification).

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