Local-only · nothing leaves your browser

How do I hash a string?

Type or paste any text to generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. Uses the Web Crypto API — nothing leaves your browser. Great for checksums, data integrity, and password hashing.

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F.A.Q. — Questions, answered

  • What is Hash Generator?Type or paste any text to generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. Uses the Web Crypto API — nothing leaves your browser. Great for checksums, data integrity, and password hashing.
  • Is Hash Generator free?Yes. Hash Generator runs entirely in your browser. No data is uploaded or stored.
  • Does Hash Generator work offline?Yes. Once loaded, Hash Generator works fully offline except for the QR code generator which uses a pinned CDN with SRI.

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