Drop any file here or
Your files are secure
Drop a batch of files and spot exact duplicates instantly — every file is hashed with SHA-256 in your browser. Nothing is uploaded.
Drag & drop your files into the tool above, or click Choose Files to browse.
Reorder or configure your files as needed before processing.
Click the action button to process your files.
Download your result instantly — everything runs in your browser.
Built for speed, privacy and reliability — on any device.
Upload and process multiple files at once. Drag to reorder before you run the operation.
Everything runs locally in your browser. Your files never leave your device — complete privacy guaranteed.
Use Duplicate File Finder on Windows, Mac, Linux, iOS or Android — any modern browser works perfectly.
No account needed. Duplicate File Finder is completely free with no file size limits for standard documents.
No waiting, no queues. The result is ready to download the moment processing finishes.
Yes, Duplicate File Finder is completely free. There are no hidden fees, subscriptions or account requirements. Just open the tool and start.
Duplicate File Finder runs entirely in your browser. Your files are never uploaded to any server — they stay on your device the whole time, so your data is always private.
There is no hard file size limit enforced by the tool. Very large files may take longer to process depending on your device's memory and browser performance.
No installation is required. Duplicate File Finder runs directly in your web browser on any device — desktop, tablet or mobile.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
Find duplicate files by their hash