Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files instantly.
Text Input
MD5 -
SHA-1 -
SHA-256 -
SHA-512 -
Privacy First: All hashing happens locally in your browser. Your data never leaves your device.
What is a Hash Function?
A cryptographic hash function is a mathematical algorithm that converts input data of any size into a fixed-size string of characters. Hash functions are one-way functions, meaning you cannot reverse the process to get back the original data. They are commonly used for data integrity verification, password storage, digital signatures, and file checksums.
Hash Algorithm Comparison
- MD5: 128-bit hash. Fast but considered cryptographically broken. Still used for checksums.
- SHA-1: 160-bit hash. Deprecated for security use but still common in legacy systems.
- SHA-256: 256-bit hash. Part of SHA-2 family. Widely used and secure for most applications.
- SHA-512: 512-bit hash. Higher security margin, better performance on 64-bit systems.
Common Use Cases
- Verifying file integrity after downloads
- Password hashing and storage
- Digital signatures and certificates
- Data deduplication
- Blockchain and cryptocurrency
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