# Hash Generator Compute MD5, SHA‑1, SHA‑256 and SHA‑512 checksums from text or a file — instantly, in your browser. Nothing is uploaded. ### How it works SHA‑1, SHA‑256 and SHA‑512 are computed with the browser's built-in `crypto.subtle.digest`. MD5 isn't part of the Web Crypto API, so it runs through a small self-contained implementation on this page. *MD5 and SHA‑1 are broken for security* — use them only for checksums and de-duplication, never for passwords or signatures. Want to build this yourself? Read the [step-by-step guide](build-hash-generator.html). --- *Source: [ocxly.com/hash-generator.html](https://ocxly.com/hash-generator.html) — OCXLY, free 100% client-side privacy-first tools. Free online hash generator. Compute MD5, SHA-1, SHA-256 and SHA-512 checksums from text or a file, instantly and entirely in your browser. Nothing is uploaded.*