DocomintHash Generator (MD5 / SHA)
Generate MD5, SHA-1, SHA-256, or SHA-512 hashes instantly, entirely in your browser.
Strong, widely used default — good for most integrity checks.
What is a Hash Generator (MD5 / SHA)?
A cryptographic hash turns any input into a fixed-length fingerprint — used to verify a downloaded file wasn't corrupted or tampered with, to compare two pieces of text for equality without storing the text itself, or to check a password against a stored hash during application development.
How to use the Hash Generator (MD5 / SHA)
- Paste text
- Pick an algorithm
- The hash is computed instantly, on your device
Example
Hashing the text hello with SHA-256 always returns 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824 — the same input always produces the same hash, and changing even one character ("Hello") produces a completely different result.
Frequently asked questions
Is my data uploaded anywhere?
No — Hash Generator (MD5 / SHA) runs entirely in your browser using JavaScript/WebAssembly. Your data is never sent to a server.
Is MD5 still safe to use?
Not for security purposes — MD5 (and SHA-1) have known collision weaknesses, so neither should be used for passwords, digital signatures, or anything security-sensitive. They're still fine for basic file-integrity checks, like verifying a download matches a published checksum, where an attacker isn't the concern.
Can I reverse a hash back to the original text?
No — hashing is one-way by design; there's no computation that recovers the input from the hash alone. Password-cracking tools work by hashing guesses and comparing, not by reversing the hash itself.