Web Crypto · Offline

SHA hash generator for text and files

Calculate a cryptographic fingerprint for text or files without uploading content to any server.

Generate digest

Enter text or select a file.

What a hash is used for

A hash function turns data of any size into a fixed-length fingerprint. It is useful for comparing files, checking integrity or identifying content; it is not encryption and cannot recover the original.

Private processing

This uses your browser’s Web Crypto API. Neither typed text nor selected files are sent over the network.