DiskLens
Free for macOS · v1.0

See what's eating your disk.

A fast, native Mac app that scans any folder and shows exactly where your space went: overview, treemap, duplicates, and one-click cleanup.

Download for MacSee it in 3D ›
Native & tiny 100% on-device Deletes go to the Trash Free, forever
DiskLens · Macintosh HD › Users › you
Library12.4 GBMovies4.0 GBDownloads1.1 GBnode_modules2.6 GBPhotos1.8 GBDocs640 MBCaches520 MBOther380 MB
DiskLens · Overview
16.4 GBtotal
Photos & Video8.2 GB
Code3.1 GB
Documents2.4 GB
Archives1.6 GB
Other1.1 GB
DiskLens · Breakdown
Library12.4 GB
Movies4.0 GB
node_modules2.6 GB
Photos1.8 GB
Downloads1.1 GB
Documents640 MB
DiskLens · Treemap
Library12.4 GBMovies4.0 GBDownloads1.1 GBnode_modules2.6 GBPhotos1.8 GBDocs640 MBCaches520 MBOther380 MB
DiskLens · Largest files
1Final_Render_4K.mov6.2 GB
2Xcode.app3.4 GB
3node_modules.tar2.6 GB
4backup-2023.zip1.9 GB
5dataset.csv1.2 GB
6old-project.zip880 MB
DiskLens · Duplicates
archive.zip×4save 180 MB
design-v2.sketch×2save 48 MB
IMG_4821.heic×3save 36 MB
report-final.pdf×2save 12 MB
DiskLens · Cleanup
Xcode DerivedDataBuild3.1 GB
node_modulesBuild2.6 GB
CachesCache1.4 GB
.DS_Store filesJunk4 MB
Move to Trash · 7.1 GB

Visual overview

Usage by file type as a donut, plus your largest items.

Folder breakdown

Every folder as a tree, sorted largest-first, with size bars.

Visual treemap

Each rectangle is its disk usage. The big hogs pop out, click to zoom.

Largest files

The single biggest files anywhere, plus an 'old & large' filter for the safest deletes.

Duplicate finder

Byte-identical files found by SHA-256, with the space you'd reclaim.

Smart cleanup

Caches, node_modules, junk & old archives, moved to the Trash safely.

And more

A few more touches

The small things that make freeing up space quicker.

Menu-bar overview

Your free space right in the menu bar, plus a quick scan.

Old & large finder

Surfaces big files you haven't touched in a year or more.

Quick Look + Undo

Preview any file inline, and undo a cleanup instantly.

Drag & drop

Drop any folder onto the app to scan it right away.

Recent folders

Jump straight back to folders you've scanned before.

Preferences

Units, cleanup thresholds, and keyboard shortcuts.

Download

Get DiskLens

Apple Silicon is ready today. The rest are on the way.

DiskLens icon

macOS · Apple Silicon

For M1/M2/M3/M4 Macs · macOS 14+ · 0.9 MB

Download for Mac
Windows
x64 & ARM
Soon
macOS (Intel)
x86-64
Soon
Linux
.deb & AppImage
Soon
First launch.DiskLens isn't notarized yet, so macOS will block it the first time. To open it:
  1. Open the .dmg and drag DiskLens into Applications.
  2. Double-click it. When macOS says it can't verify the developer, click Done.
  3. Go to System Settings → Privacy & Security, scroll down, and click Open Anyway.
Prefer the terminal? Run this once after dragging it to Applications:
xattr -dr com.apple.quarantine /Applications/DiskLens.app
Free for macOS

Free. Forever.

No ads, no accounts, no tracking. DiskLens runs entirely on your Mac.

Download for Mac Buy me a coffee

Free forever. But if it cleared up some gigabytes, a coffee keeps it going. ☕