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App of the Week: GrandPerspective

Sometimes I look at my Mac’s hard drive and wonder what is taking up so much space.  After cleaning out caches, deleting apps, and searching the many of the ins and outs of my Mac’s hard drive, I still have a lot of hard drive space being taken up.  I had never really used hard drive visualization tools before, but I decided to use one, and the first app that came to mind was GrandPerspective.

GrandPerspective is a simple little tool that couldn’t be more straightforward.  When you open the app, it asks you to select a folder or hard drive that you wish to scan.  After selecting what you want scanned, GrandPerspective quickly begins scanning your hard drive for all the files and folders within your selection and how much space they are taking up.  When it’s done, it displays in the files in colored and sized boxes within the window.  The bigger the rectangle, the more space that particular file is taking up.  Just hover over that rectangle, and in the bottom left-hand corner, the name of the file, the size, and its location on the hard drive will be displayed.  The blocks are colored in groups.  So that things like movies and videos that are all in the same folder or cluster are colored the same.

If you want more detailed looks at the files examined, you can always zoom in on blocks and then look at those smaller blocks and files.  And GrandPerspective adds something very important.  After selecting a

GrandPerspective’s tiled block approach

block, you can in the “Reveal” in the top of the window to see where it is in Finder.  Or if you have a file selected, GrandPerspective can open that file in the default app for that file (so Word for documents, iTunes for audio files, etc.).  You can also delete those selected files, though this feature is turned off by default.  It really doesn’t get any simpler than that because that is all that the app really does.

My one complaint about the app is that I wish I could double-click or right-click on a block in the app and have it either show me where the file is in Finder or open in its default app.  Besides that though, GrandPerspective is a really simple and helpful app for showing you visually what’s been eating up your hard drive space.  GrandPerspective is made by Eriban and is available for free at  Donation is encouraged.  If you have any questions, comments, or suggestions about this or any other topic, leave a comment below or email me at  You can also check me out on Facebook, Twitter, and YouTube by hitting the buttons on the top of your screen.  You can also check out my Google Plus.  Thanks!

Updated May 17th, 2012: Clarifying double-click or right-click for opening a file.  Thanks to Erwin, the app’s maker for requesting the clarification.

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