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Compute MD5, SHA-1, SHA-256, and SHA-512 hashes for any string. Live update as you type.

last reviewed 2026-04-27·client-side · 0 bytes sent
STDINinput
Security note: MD5 and SHA-1 are cryptographically broken. Use them only for non-security checksums (e.g. file deduplication). For passwords, use bcrypt/argon2 (server-side) - not raw hashes. For integrity, use SHA-256 or SHA-512.
STDOUToutput

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Common questions

Is Hash Generator free to use?

Yes. The tool runs in your browser at no cost, with no signup required.

Where is the math performed?

Calculations run locally in your browser. Your inputs do not leave your device.

Are the rates and rules current?

We update sources when published rates change. For high-stakes decisions, verify against the official source linked on this page.