GrandPerspective is a free, open-source app for macOS that shows you what is taking up space on your disk. It draws a colorful map of your files and folders, so you can see large files and folders at a glance. It is a free alternative to paid tools like DaisyDisk.

Key Features

• Visual Disk Map: GrandPerspective draws a map where bigger files show up as bigger boxes. This makes it easy to spot what is eating your storage.
• Scan Any Folder or Drive: You can scan your whole Mac, a single folder, or an external drive.
• Click to Find Files: Click on any box in the map to see the exact file or folder it represents, and where it is stored.
• Filters: You can hide certain files or folders from the scan, such as system files you do not want to touch.
• Free and Open Source: GrandPerspective costs nothing to use and its code is public, so anyone can check how it works.
• Light on Resources: It is a small app that scans and draws even large drives quickly.

Frequently Asked Questions (FAQ)

Is GrandPerspective free?

Yes. GrandPerspective is completely free to download and use, with no paid tier or in-app purchases.

Is GrandPerspective open source?

Yes. The code is open source, so anyone can look at how the app works. This makes it a safe and trusted choice for scanning your files.

How is GrandPerspective different from DaisyDisk?

DaisyDisk is a paid app with a more polished, modern look. GrandPerspective does the same core job of showing what fills up your disk, but it is free and simpler in design. If you want a no-cost way to find large files, GrandPerspective is a solid choice.

Can GrandPerspective scan external drives?

Yes. You can point GrandPerspective at any internal drive, external drive, or single folder to see what is using space there.

Does GrandPerspective delete files for me?

Yes, you can delete files directly from within the app once you find them in the map. It also lets you reveal a file in Finder if you want to check it first.

Does GrandPerspective work on Apple Silicon Macs?

Yes. GrandPerspective runs on both Apple Silicon and Intel Macs.