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Developer Tools
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text instantly in your browser. Free, secure, no data sent to server.
MD5
32 chars
Not cryptographically secure
SHA-1
40 chars
Deprecated for security use
SHA-256
64 chars
Recommended
SHA-512
128 chars
Strongest
Frequently asked
questions
A hash function takes input data and produces a fixed-length string. The same input always produces the same hash, but even a tiny change in input produces a completely different hash. Hashes are one-way — you cannot reverse them to get the original input.
MD5 is commonly used to verify file integrity (checksums). It is NOT secure for cryptographic purposes like passwords — use bcrypt or Argon2 for passwords instead.
SHA-256 produces a 256-bit (64 character hex) hash; SHA-512 produces a 512-bit (128 character hex) hash. SHA-512 is more secure but slightly slower. Both are part of the SHA-2 family and are widely used.
No. All hashing runs directly in your browser using the Web Crypto API. Your text never leaves your device.