HMAC Generator

Runs in your browser — nothing is uploaded
Message
HMAC (hex) 

    

    

      

        HMAC (base64)
        
      

      

    

  









About this tool
Computes an HMAC (hash-based message authentication code) from a secret key and message, using your browser's native Web Crypto API — the same trusted implementation every browser ships, not a hand-rolled one.


Frequently asked questions
What is HMAC Generator?
Compute an HMAC from a message and secret key (SHA-1/256/384/512). It is one of the Security & Crypto tools on MyCodeTips.
How do I use HMAC Generator?
Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.
Is HMAC Generator free to use?
Yes. It is free to use and does not need an account.
Is my data safe with HMAC Generator?
Yes. It runs entirely in your browser, so what you enter is never uploaded to our servers.
Can I share my result?
Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.

  

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