GrandPerspective can help you to manage your disk, as you can easily spot which files and folders take up the most space.

GrandPerspective uses a so-called tree map for visualization. Files in the same folder appear together, but their placement is otherwise arbitrary. Each file is shown as a rectangle with an area proportional to the file's size.

Here are some key features of "GrandPerspective":

· Disk usage visualization by way of tree maps
Configurable display of views:
· Choice of color mapping schemes
· Choice of color palettes
· Configurable mapping by file type
· Optionally hide specific files by way of a mask
· Optionally view the entire volume
· Convenient navigation of views: Traverse up and down the folder hierarchy, Select files and folders in the view
· Reveal files and folders in the Finder
· Delete files and folders from the view
· Multiple view support: Re-scan a view to compare results before and after clean-up, Twin or duplicate a view for different displays of the same data, Filter a view to focus on specific files
· Configurable user preferences
· Generate images from views
· Snappy and responsive GUI: Optimized drawing of views, Drawing and scanning are carried out in background threads
· Small memory and disk footprint
· Fully internationalized: Localizations available in English, Japanese, German, Spanish, French and Dutch
· Extensive help documentation
· Available as a Universal Binary

What's New in This Release: [ read full changelog ]

Minor improvements:
· Made usage of memory zones for scan tree configurable (default,
· dedicated shared, or dedicated private). Now defaulting to default
· memory zone.
· Added checks and verbose logging in TreeBuilder to help trace bug
· #2989277: Crashes on Scan of Boot Volume.
· Minor fix to TmpDirInfo-dealloc (may fix bug #2989277?)

Bug fix:
· Plugged a big memory leak: The scan tree was never released.
· Plugged a small memory leak in UniformTypeInventory.