Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
SHA-1
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SHA-256
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SHA-384
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SHA-512
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About Hash Functions
A cryptographic hash function converts any input into a fixed-length string of characters. The same input always produces the same hash, but even a tiny change in the input produces a completely different output. Hashes are one-way — you cannot reverse them to get the original text.
Algorithm Comparison
- SHA-1 (160-bit) — Legacy, not recommended for security. Fine for checksums.
- SHA-256 (256-bit) — Most widely used. Standard for certificates, blockchain, and data integrity.
- SHA-384 (384-bit) — Truncated SHA-512. Used in TLS.
- SHA-512 (512-bit) — Highest security. Faster than SHA-256 on 64-bit systems.