Umbrella是mac上一款防止重复文件工具，简洁功能又强大，监控硬盘里的任何文件夹，添加文件后，Umbrella会替你监视文件夹里的内容，如果有重复的内容，会报告重复项，会自动标记并删除。
Umbrella is a prevention tool that reports the duplicates the moment they are created.
Prevention is better than cure.:
Umbrella reports the duplicates the moment they are created. Forget the boring job of dealing with huge results when using a standard duplicate tool. Umbrella is the only duplicate-prevention tool available on the market. It is unobtrusive, easy to use, and powerful. Umbrella is a perfect Tidy Up 5 complement, and used together they will keep your Mac clean and efficient.
Features:
Search in iTunes database.
Search Photos image files.
Search by files.
Customize criteria to determine the duplicates.
Automatic mark for a fast removal.
Multiple files preview.
Full integration with Tidy Up 5
And many more.
Compatibility: macOS 10.14 or later 64-bit
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