HMAC generator
Keyed hashes
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How to use it
- Paste or type your text in the box.
- Adjust the options if you need to.
- Copy the result or download it.
Questions
Is my text sent to a server?
No. Everything happens in your browser. Your text is not uploaded or stored.
Is it free?
Yes, you can use it for free. A subscription removes limits and unlocks premium tools.