Hash Generator
Type or paste text and get MD5, SHA-1, SHA-256 and SHA-512 hashes instantly. Everything is computed locally in your browser.
Hash Tool
Hashes update live as you type — no button needed.
Note: MD5 and SHA-1 are not cryptographically secure and should only be used for checksums or legacy compatibility — use SHA-256 or SHA-512 for anything security-related.
What is a hash?
A hash function maps any input to a fixed-length fingerprint. The same input always produces the same hash, but even a tiny change in the input produces a completely different result. Hashes are used to verify file integrity, store passwords (with proper algorithms like bcrypt), deduplicate data, and create cache keys.