Is this HMAC generator secure?
Yes. Everything runs locally in your browser, so your key and message stay on your device.
HMAC Generator
Create HMAC signatures instantly in your browser. Choose an algorithm, enter your key and message, and export in hex or base64.
Frequently Asked Questions
What output formats are available?
You can switch between hexadecimal and base64 output with one click.
Can I use this on mobile?
Absolutely. The tool is mobile responsive and works on modern smartphone browsers.