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How to Use the Duplicate File Finder
Select a folder or many files and find exact duplicates by comparing their content hash (SHA-256).
100% free No signup Works in your browser
1. What is the Duplicate File Finder?
Free up space by finding copies of the same photo, video or document saved more than once — even with different names. Files with the same size are compared by their SHA-256 fingerprint, so only true duplicates are listed. Nothing is uploaded or deleted; you decide what to remove.
2. How to use the Duplicate File Finder
Here is the whole process, step by step. It takes less than a minute from opening the tool to seeing your result.
- 1Fill in the 📁 Choose a folder, Choose files fields.
- 2Your result appears on the page.
Your result updates as you type — there is nothing to press and nothing to wait for.
Everything runs in your browser — your files and text never leave your device.
3. Tips for best results
- Your text never leaves your device — The tool runs entirely in your browser using JavaScript. Nothing is uploaded, so you can paste private documents without worry. That also means there is no account to create and no file to upload.
- It works on your phone too — Open the tool in any modern browser on Android or iPhone. The layout adjusts to the screen and everything works the same way on a small screen as on a desktop.
Frequently asked questions
Is the Duplicate File Finder free?
Yes. The Duplicate File Finder on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.
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Try the Duplicate File Finder
The Duplicate File Finder is free, with no signup and no watermark. Open it and try it now.
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