Free Developer Tool
HMAC Generator
Create HMAC signatures using SHA-1, SHA-256, SHA-384 and SHA-512 algorithms. Useful for API authentication and request signing.
Generated Signature
What is HMAC Generator?
HMAC combines a secret key with a hash function to verify authenticity and integrity.
How to use
- Enter a message.
- Enter a secret key.
- Choose an algorithm.
- Generate the signature.
Features
- SHA-1 support
- SHA-256 support
- SHA-384 support
- SHA-512 support
- API request signing
Example
Input
hello world
Output
b5f3e5f6d8f8d7a2e5d4f1a6...
FAQ
What is HMAC used for?
HMAC is commonly used for API authentication and signed requests.
Can I use different algorithms?
Yes. Multiple SHA algorithms are supported.
Is the secret key required?
Yes. HMAC requires a secret key.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.