Find duplicate files
Compare many files by content and see which are identical and how much space they waste.
Drop files to compare
or drop them here, or paste. Up to 2.0 GB per file.
Runs in your browser. Your files are not uploaded.
Files are compared by their SHA-256 hash, so a different name or date does not hide a copy. Only files that share a size are read.
The page cannot delete files on your device; it only shows which ones are identical.
How to use Find duplicate files
Drop files, or select Add a folder to include a whole folder.
Select Find duplicates; at least two files are needed.
Read the groups of identical files and the space wasted.
Delete the extra copies yourself on your device.
Questions
No. The files are compared in your browser and never leave your device.
Files that share a size are read and compared by their SHA-256 hash. Files with a unique size cannot be duplicates, so they are not read. Names and dates do not matter.
No. A web page cannot delete files on your device, so the tool only lists the identical files.
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