HMAC Generator

Generate secure HMACs (SHA-1, SHA-256, SHA-512) instantly — no server, 100% private.

What is an HMAC?

An HMAC (Hash-based Message Authentication Code) uses a cryptographic hash function plus a secret key to verify both data integrity and authenticity. HMACs are widely used in APIs, authentication, and secure communications.

Why use CueSolve’s HMAC Generator?

Our tool runs 100% in your browser — your text and secret key never leave your device. Generate SHA-1, SHA-256, or SHA-512 HMACs instantly, free and securely. Perfect for developers and security testing.

How to use this tool

Enter the message you want to hash.
Enter your secret key.
Select SHA-1, SHA-256, or SHA-512.
Click Generate HMAC to get your result instantly.

Try more secure tools at CueSolve.com — privacy-first online utilities for everyone.