SHA Hash Generator
SHA FAQ
What is SHA?
SHA (Secure Hash Algorithm) is a family of cryptographic functions used to generate fixed-length hashes from text or data. They are widely used in security, digital signatures, and data integrity checks.
Which SHA version should I use?
SHA-1 is outdated and not recommended for secure applications. Use SHA-256 or SHA-512 for modern cryptographic needs.
Is SHA reversible?
No, SHA hashes are one-way functions. They cannot be reversed back to the original text.
What are SHA alternatives?
For password storage, use stronger algorithms like bcrypt, Argon2, or PBKDF2, which include salting and key stretching.
What are SHA-1, SHA-256, and SHA-512?
SHA (Secure Hash Algorithm) is a cryptographic hash family developed by the NSA and standardized by NIST. SHA-1 produces a 160-bit hash, SHA-256 outputs a 256-bit hash, and SHA-512 outputs a 512-bit hash. They are widely used in digital signatures, SSL certificates, and file integrity verification.
SHA-1 is now considered weak due to discovered collision attacks, so it should not be used for secure applications. SHA-256 and SHA-512 are part of the SHA-2 family and are considered secure for most modern use cases.
This tool lets you instantly generate SHA-1, SHA-256, and SHA-512 hashes directly in your browser. It works 100% client-side, ensuring that your data never leaves your device.