Hashes turn text into a fixed-length fingerprint used for checksums and verification. This tool generates MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.
Hashing runs in your browser, so your input is never uploaded.
How to use the Hash Generator
- Type or paste your text.
- The hashes are generated instantly.
- Copy the hash you need.
What a hash is
A hash function turns any input into a fixed-length fingerprint: the same input always produces the same hash, and even a one-letter change produces a completely different one. That makes hashes ideal for verifying integrity, deduplicating data and creating identifiers. Hashing is one-way: the original cannot be recovered from the hash, which also means hashing is not encryption.
MD5, SHA-1 and SHA-256
MD5 and SHA-1 are fast and still fine for checksums and non-security uses like cache keys, but both are cryptographically broken and must not protect anything sensitive. SHA-256 is the current standard for security purposes, used in TLS, code signing and blockchains. For passwords, none of these are appropriate directly; real systems use dedicated slow algorithms like bcrypt on top.
Common uses
- Verifying a downloaded file matches its published checksum
- Generating cache keys and content fingerprints
- Comparing whether two texts are identical without reading them
- Learning and testing hash outputs during development
Hashes are computed in your browser, so the text you hash never leaves your device.
Frequently asked questions
Is the hash generator free?
Yes, free with no signup.
Is my text uploaded?
No. Hashing happens locally in your browser.
Which algorithms are supported?
MD5, SHA-1, SHA-256 and SHA-512.
Can hashes be reversed?
No. Secure hashes are one-way; they cannot be reversed back to the original text.