You would be surprised at how many useless files might be laying around on your hard disks and sorting them by size can be a good way of teasing out the ones you don’t need. WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. The files and folders are automatically sorted by size, with the biggest sizes first.
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Quickly measure file sizes on your Mac
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