JWT

Sign & verify tokens. Fast, secure, and works offline.

Payload (JSON)

Algorithm

Secret Key

• HS256/384/512 use HMAC with SHA-256/384/512

• Payload can include any JSON data (claims)

• Keep your secret key secure and never expose it

• Generated tokens are signed but not encrypted

Generate v4, v7, ULID, Bulk

MD5, SHA, BLAKE2/3, Files

Base64, URL, HTML, Hex

Placeholder text generator

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