Hash Generator
Generate SHA-256, SHA-1, and SHA-512 hashes. Free, no signup.
How It Works
Enter any text and click Generate Hashes. Multiple hash algorithms run simultaneously using the Web Crypto API built into your browser. Click any hash to copy it. No data is ever sent to a server.
What Are Hash Functions?
A cryptographic hash function takes any input and produces a fixed-length string of characters. The same input always produces the same hash, but even a tiny change produces a completely different result. Hashes are used for verifying file integrity, storing passwords, and digital signatures.