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はじめに

Hash Generator — Generate MD5, SHA-1, SHA-256 hashes of any text. Enter Text to get an instant, accurate result.

計算式

Computes MD5, SHA-1, and SHA-256 cryptographic hash digests of the input text.

ステップごとの説明

Enter the Text.
Click Calculate to see your result instantly.

実例

Example: With the defaults shown above, the Hash Generator gives Md5: d7666ff39be0ba4f197001885d8d16e5, Sha1: 2c536207068e3686c4d76b315badd27628165e3b, Sha256: 186340c568f3ff3790119b6fc0db7591bd62333418eeebc670a9ad35c432afba.

よくある質問

Which hash should I use?

SHA-256 is the most secure of the three; MD5 and SHA-1 are considered cryptographically broken for security purposes but remain useful for checksums.

Can a hash be reversed back to the original text?

No, hashing is one-way by design — the same input always produces the same hash, but the hash can't be decoded back to the input.

What inputs does the Hash Generator need?

You'll need to provide: Text. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Hash Generator?

The Hash Generator applies the formula exactly as calculated — Computes MD5, SHA-1, and SHA-256 cryptographic hash digests of the input text. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Hash Generator free to use?

Yes, the Hash Generator is completely free, requires no signup, and runs instantly in your browser.