H#

Hash Calculator

Compute SHA-1 / SHA-256 / SHA-512 digests of text locally.

EncodeLocal compute
All tools

How to use

Hash text with Web Crypto algorithms. Hashes are one-way — not encryption.

FAQ

We expose modern SHA algorithms via Web Crypto.

Related tools

64Base64 Encode/DecodeEncode or decode Base64 text locally for headers, tokens and quick checks.文File HashCompute SHA-256 of a local file without uploading it.密Password GeneratorCreate strong random passwords with length and character-set controls.