HMAC-SHA256 generator
Generate an HMAC-SHA256 signature with a secret key
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Guide
Generate an HMAC-SHA256 signature with a secret key
Transform a value
- Enter text or data.
- Choose encoding, decoding, or formatting.
- Copy the result where you need it.
Security
Your input stays in this browser and is not sent to a server.
- FAQ · Can a hash be restored to its original text?
- No. SHA hashes are one-way values and cannot be reversed.