How to use this tool
- Choose your file or try the example.
- Run the tool and check the result.
- Save the result where a download is available.
Supported features & limits
Finds exact duplicates only. Recompressed, resized or visually similar photos are not matched. Files are processed one at a time and never deleted. Maximum 100 files, 50 MB total.
What happens to my files?
Your browser reads the file locally. File contents are not sent to our server. Closing or resetting this page clears the working result. Downloaded copies remain on your device.
Maintained by Roman Zmazhenko. Updated 1 November 2026.