文字列ハッシュ生成

MD5、SHA-1、SHA-256、SHA-384、SHA-512 を生成します。

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MD5 and SHA-1 are included for compatibility only. Do not use them for passwords or security-sensitive data.
MD5
SHA-1
SHA-256
SHA-384
SHA-512
Free open-source browser tool

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512

Enter UTF-8 text and generate five common digests together, with uppercase display and one-click copying.

Five common algorithms

Calculate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 together.

Local UTF-8 hashing

Open-source hash-wasm processes the input in your browser.

Easy verification

Copy each digest independently and switch between lowercase and uppercase.

String hash FAQ

Are MD5 and SHA-1 secure?

They are unsuitable for passwords or security-sensitive uses. Keep them for compatibility and ordinary checksums.

Can a hash be reversed?

A cryptographic digest is designed to be one-way and cannot be decoded like encoded text.

Is text uploaded?

No. The open-source WebAssembly library computes every digest locally.

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