Hash Generator

Generate SHA-1, SHA-256, SHA-512 cryptographic hashes from any text. Uses the native Web Crypto API — no libraries, no server, completely private.

Input text

SHA-1

hash will appear here

SHA-256

hash will appear here

SHA-512

hash will appear here

Frequently Asked Questions

Is SHA-256 secure?▼

SHA-256 is a cryptographically secure one-way hash function, widely used in security applications.

Can I reverse a hash?▼

No. Cryptographic hashes are one-way — they cannot be reversed by design.

Is my text sent to a server?▼

No. Hashing uses the browser's built-in Web Crypto API. Nothing leaves your device.