Free Online Hash Generator
Generate secure SHA-1, SHA-256, and SHA-512 hashes instantly. A free, privacy-focused online encryption tool.
SHA-256
...SHA-512
...SHA-1 (Legacy)
...Frequently Asked Questions
What is a Hash?
A hash function converts your input text into a fixed-size string of characters. It is a one-way process, meaning you generally cannot convert the hash back into the original text.
Is this tool secure?
Yes, this tool uses the Web Crypto API built into your browser. Your input text is processed locally on your device and never sent to any server.
What is SHA-256 used for?
SHA-256 is widely used for web security, including SSL certificates and cryptocurrency. It is considered highly secure and collision-resistant.