What is a Hash Generator?
A cryptographic hash turns any input into a fixed-length fingerprint: change one character and the whole hash changes. Hashes verify downloads, deduplicate content and pin file integrity.
All four SHA variants are computed at once with the WebCrypto engine your browser ships with — the same primitives real applications use. MD5 is deliberately absent: it has been broken for years.
How to use the Hash Generator
- Paste the text to hash.
- Click Generate Hashes.
- Copy the digest you need.
Frequently asked questions
Which SHA should I use?
SHA-256 is the standard default. SHA-1 appears only for legacy comparison — don’t use it for anything security-relevant.
Why no MD5?
MD5 collisions are trivial to produce, so it proves nothing. WebCrypto rightly does not ship it, and offering it would teach bad habits.
Can I hash a file?
This tool hashes text. File hashing is on the roadmap.
Are hashes reversible?
No — a hash is one-way. But common strings are looked up in precomputed tables, so never hash passwords without salt.