# GrandPerspective

11 Hacker News commenters recommended GrandPerspective and 0 criticized it, November 2025 to November 2026. It was recommended in 5 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Free Mac app that draws a colour treemap of disk usage, showing what takes up space; it has been around for over two decades.

## Why people recommend it

- Colour treemap shows storage clearly (3 comments): "I use GP, would recommend as well; it generates great color codes tree maps of your storage." ([source](https://news.ycombinator.com/item?id=47220019)) "it's really good at displaying this sort of thing, has been around for over two decades" ([source](https://news.ycombinator.com/item?id=47219406)) "to give me an idea of what is going on with disk usage" ([source](https://news.ycombinator.com/item?id=47220878))
- Finds what is taking space (3 comments): "You can use something like Grand Perspective app to find whats taking up all the space." ([source](https://news.ycombinator.com/item?id=48743422)) "to give me an idea of what is going on with disk usage" ([source](https://news.ycombinator.com/item?id=47220878)) "identified over 50G of junk" ([source](https://news.ycombinator.com/item?id=47221615))
- Free, no payment needed (2 comments): "GrandPerspective is free and uses the exact same visualization as WinDirStat" ([source](https://news.ycombinator.com/item?id=48369821)) "Don't pay $10 for what you can get for free" ([source](https://news.ycombinator.com/item?id=48017281))
- Long-running, well-known macOS tool (2 comments): "it's really good at displaying this sort of thing, has been around for over two decades" ([source](https://news.ycombinator.com/item?id=47219406)) "well-known disk space usage tools for macOS" ([source](https://news.ycombinator.com/item?id=47220603))

## Alternatives hackers recommend

- [WizTree](https://hackerapproved.com/p/wiztree.md): 12 recommend
- [WinDirStat](https://hackerapproved.com/p/windirstat.md): 11 recommend

## Cite as

Hacker Approved, "GrandPerspective", https://hackerapproved.com/p/grandperspective/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).