Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 from text or files — entirely in-browser.
Compare Hash
Paste an expected hash to check if it matches any of the computed hashes above.
What is the Hash Generator?
The Cryptographic Hash Generator is a privacy-first utility that computes checksums (MD5, SHA-1, SHA-256, SHA-512) identically to server-side software but strictly on the client.
Hashing is a one-way mathematical function used primarily to verify data integrity, safely store passwords, and detect alterations in digital files.
Frequently Asked Questions
What is a cryptographic hash?
A hash is a fixed-length string of characters generated from input data. Even changing a single letter in the input completely alters the resulting hash.
Is hashing the same as encryption?
No. Encryption is meant to be reversed (decrypted) with a key. Hashing is a one-way trap door process; you cannot mathematically reverse a hash back to its original text.
Why use SHA-256 instead of MD5?
MD5 and SHA-1 are considered cryptographically broken and vulnerable to 'collision attacks'. SHA-256 is the current industry standard across SSL certificates and blockchain technology.
Are my passwords safe here?
Yes. This tool utilizes the Web Crypto API. Because everything runs offline in your browser, your passwords are never sent over the network.
What are common use cases for hashes?
Hashes are used for verifying downloaded file integrity (checksums), storing user passwords securely, and creating unique identifiers for cache busting.