About the Hash Generator
The Hash Generator is a free online security tool that allows you to calculate cryptographic hashes from text strings. It supports multiple widely-used hashing algorithms including MD5, SHA-1, SHA-256, and SHA-512. Hashing is a one-way process used to verify data integrity, store passwords securely, and create unique digital fingerprints for files or messages.
Supported Hashing Algorithms
- SHA-256 / SHA-512: Part of the Secure Hash Algorithm 2 (SHA-2) family. Currently considered highly secure and widely used in modern applications, SSL certificates, and blockchain technology.
- MD5: A widely known algorithm that produces a 128-bit hash. While very fast, it is no longer considered cryptographically secure against collision attacks and should only be used as a checksum to verify data integrity against unintentional corruption.
- SHA-1: Produces a 160-bit hash value. Like MD5, it is no longer considered secure for cryptographic purposes but remains in use in legacy systems and non-security critical applications like Git.
Privacy Guarantee
All hashing calculations are performed locally in your web browser. Your text inputs are never transmitted over the internet or stored on any server.