Hash Generator — Free Online Tool
Generate SHA-256 and SHA-1 hashes from any text. Verify file integrity and password security.
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Use Hash GeneratorQuick Facts
- 100% free — no signups
- Client-side processing
- No file size limits
- Works on all devices
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What Are Cryptographic Hashes?
A cryptographic hash function converts input data into a fixed-size string of characters. The output is deterministic — the same input always produces the same hash.
Hash Algorithms Explained
- SHA-256: 256-bit output, used in blockchain, SSL certificates, and password storage
- SHA-1: 160-bit output, legacy use. Deprecated for security but still used for checksums
- MD5: 128-bit output, legacy only. Not recommended for security purposes
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