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 visualisation 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 ]

New functionality:
Improvements to filters (and masks):
All filters now have names that can be used to select them:
· Select filters from the new filter selection panel.
· Select masks using a pop-up button in the Display panel.
· The application comes with a couple of filters out of the box.
· User-created filters are automatically stored in the preferences so you can use them again later.
· Scan dumps now include information about filters that were used, both their names as well as the filter tests they contain.
· Enabled individual inversion of tests in a filter.

Refactoring:
· Converted all NIBs to XIBs.
· Renamed several windows and their control classes.

Bug fix:
· Fixed bug #1947382: Typing return in Rule Name field can cause rule completion.