Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from text or files. All client-side — nothing is transmitted.

Generate Cryptographic Hashes

MD5128-bitNot cryptographically secure - use for checksums only

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SHA-1160-bitDeprecated for security use

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SHA-256256-bit

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SHA-512512-bit

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Privacy note

All hashing is performed in your browser. Text and files are never transmitted to any server.

Which algorithm should I use?

Use SHA-256 or SHA-512 for security purposes. MD5 and SHA-1 are fast but broken for cryptographic use — they're fine for checksums and deduplication.

What's a hash used for?

Verifying file integrity, storing passwords (with a salt), deduplicating data, generating cache keys, and digital signatures.

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