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Space Dust Scanner

See exactly what is eating your Mac disk space. Scans caches, large files, app remnants, developer artifacts, and startup items. Free and read-only.

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Space Dust Scanner

Tech Stack

Swift SwiftUI macOS Mach APIs

Screenshots

Space Dust Scanner screenshot

About This Project

A free system diagnostic tool for macOS. Scans your Mac for caches, large files, app remnants, developer artifacts, and startup items - then shows you exactly what is taking up space. Never deletes or modifies anything. Works perfectly alongside Space Dust Cleaner.

System Health Dashboard

Live CPU, memory, disk, and thermal monitoring with a weighted health score.

Cache Report

Per-app cache size breakdown from ~/Library/Caches.

Large File Finder

Finds files 100 MB and larger across your home directory.

Disk Analysis

Directory-level disk usage breakdown with live streaming progress.

App Remnants

Detects orphaned data left behind by deleted apps.

Developer Leftovers

Finds 30+ types of build artifacts and dependency caches.

Startup Items Audit

Lists Launch Agents from user and system directories.

Menu Bar Extra

At-a-glance system stats in the menu bar.

Also Includes

  • Scan cancellation with cooperative cancellation token
  • Scan history with sparkline trend charts
  • macOS notifications when scans complete in background
  • 9-language support with in-app language picker
  • Launch at Login via SMAppService

Want to fix what Scanner found?

Scanner shows the problems. Space Dust Cleaner fixes them - cache cleaning, app uninstalling, system optimization, and more.

Support & Feedback

0 Posts
0 Bugs
0 Feature Requests

FAQ

Caches, large files, app remnants, developer build artifacts, and startup items.
No. Space Dust Scanner is completely read-only. It shows you what is taking up space but never deletes or modifies any files.
Yes, 100% free. No ads, no tracking, no subscription, no in-app purchases.
macOS 14 Sonoma or later.
Scanner Lite is coming soon to the App Store. The sandboxed version requires manual folder selection for some features, but all core scanning works.
Scanner shows you the problems (caches, large files, remnants, artifacts). Cleaner fixes them - it cleans, uninstalls, and optimizes.
9 languages: English, Romanian, Spanish, French, German, Italian, Japanese, Chinese (Simplified), and Portuguese (Brazil).

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