GrandPerspective
MacVisualize Disk Usage with Interactive Treemaps
Overview
GrandPerspective is a free Mac tool that visualizes disk space allocation via intuitive treemap diagrams. Each file/folder is a rectangle, size proportional to its storage. Users can zoom in/out, search items, delete unnecessary files directly, and access hidden content. It supports external drives, network volumes, and system folders. Lightweight and fast, it helps identify large, forgotten files hogging space—ideal for keeping your Mac clean without navigating complex directories manually.
Key Features
- Interactive treemap disk usage visualization
- Direct file deletion from interface
- Support for external drives and network volumes
- Search/filter for files and hidden content
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Tool Info
Pros
- ⊕ Free and open-source
- ⊕ Intuitive, easy-to-use interface
- ⊕ Lightweight and fast performance
- ⊕ Covers hidden files and external storage
Cons
- ⊖ Lacks modern UI polish compared to paid alternatives
- ⊖ No duplicate file detection feature