SHA-256 Hash Generator
Generate secure 256-bit (64-character hexadecimal) SHA-256 cryptographic hashes instantly with Web Crypto API.
Text to Hash
SHA-256 Checksum
What is SHA-256?
SHA-256 (Secure Hash Algorithm 256-bit) is one of the strongest cryptographic hash algorithms designed by the NSA. It generates an irreversible 64-digit hexadecimal output, forming the backbone of SSL certificates, digital signatures, and blockchain protocols (such as Bitcoin).