A free, client-side tool for hashing text — no installation, no account, no server.

What Is a Hash and When Do You Need One?

A hash function takes any input — a word, a sentence, a JSON blob — and produces a fixed-length string of characters. The same input always produces the same output. Change even a single character and the output changes completely.

Developers reach for hashing in a surprisingly wide range of situations:

Verifying data integrity — confirm a file or string has not been tampered with