Free tool

Duplicate File Finder

Find byte-identical files by comparing private SHA-256 fingerprints in your browser.

Private browser processingNo source files stored

Choose a file or enter content. Processing stays in this browser.

Your selected files never leave this page.

Add your file or content, then run the tool.

About Duplicate File Finder

Find byte-identical files by comparing private SHA-256 fingerprints in your browser.

Processing happens in your browser whenever the browser supports the requested operation, so your source file is not stored on our server.