Disk cleanup.
Done in under 30 seconds.
Windows' built-in Disk Cleanup only finds a fraction of what's taking space on your drive. FreeUpDisk scans everything — visually — and tells you exactly what to clear.
Windows 10/11 · Free forever · No account required
Why Windows Disk Cleanup only finds a fraction of the problem
Windows' built-in tool scans a small set of predefined temp file locations — Windows Update files, Recycle Bin, Thumbnails. It's useful for a quick pass, but it completely misses game installs (often 50–150 GB each), browser caches outside of Edge, old downloads, and unused applications. Most users run it and recover 2–4 GB when they actually have 40–80 GB sitting untouched.
What Windows Disk Cleanup won't find
These are the real space hogs on most drives — and none of them show up in the Windows cleanup tool:
Game installs
A single modern game is 50–150 GB. Three games you stopped playing sit there forever. Windows has no way to surface these — they look the same as any other folder.
Chrome, Firefox, and Brave caches
Windows Disk Cleanup only cleans Microsoft Edge's cache. Chrome and Firefox each accumulate 2–5 GB of cache data that Windows won't touch.
Old downloads and archives
Installers, .zip files, .iso disk images. The Downloads folder is one of the biggest space hogs on most machines and it never appears in Windows Disk Cleanup.
Software you installed and never used
Apps that take 5–20 GB each, installed once for a project or trial and never opened again. Windows Disk Cleanup skips them entirely.
Developer caches
node_modules folders, Docker images, Gradle build caches. A single abandoned dev project can hold 2–10 GB of build artifacts.
How FreeUpDisk does disk cleanup
Step 1
Scans your entire drive in under 30 seconds
FreeUpDisk reads your full file system and renders it as a Space Map — a visual grid where every file is a block. Bigger block, more space. You see the entire drive at once, not just predefined cleanup categories.
Step 2
Surfaces what's actually worth clearing
The AI-powered cleanup tab groups your drive into actionable categories: game installs, unused apps, browser caches, large old files, downloads. Each item shows its size, when it was last used, and whether it's safe to clear — explained in plain language.
Step 3
Clear by category, not file by file
Instead of hunting through individual files, you review entire groups. Clear all your browser caches at once. Review three games you haven't launched in two years. Recover 40 GB in the time it takes Windows Disk Cleanup to finish calculating.
FreeUpDisk vs Windows Disk Cleanup
Both are free. Only one shows you the full picture.
| Feature | FreeUpDisk | Windows Disk Cleanup |
|---|---|---|
| Scans entire driveWindows only checks predefined temp folders | ||
| Visual Space MapWindows shows a text list with estimates | ||
| Finds game installsGames are the #1 space hog Windows misses | ||
| Finds all browser cachesWindows only cleans Edge cache, not Chrome or Firefox | ||
| Finds unused installed apps | ||
| AI cleanup recommendations | ||
| Shows individual file sizesWindows shows category totals only | ||
| Scan completes in < 30 seconds | ||
| Free | ||
| Built into Windows | — |
Windows Disk Cleanup is useful for a quick pass. For a real cleanup, you need the full picture.
What a typical disk cleanup finds
Game installs (not played in 1+ year)
40–150 GB
Old downloads — installers and archives
8–30 GB
Browser caches across all browsers
3–12 GB
Unused software and trial installs
5–25 GB
Dev caches — node_modules, Docker
10–40 GB
Duplicate and forgotten large files
5–20 GB
Most users recover 20–80 GB in a single cleanup session. Windows Disk Cleanup typically recovers 1–4 GB.
Disk cleanup — common questions
Is it safe to run disk cleanup on Windows?
Yes. Disk cleanup tools that are read-only by default — like FreeUpDisk — cannot affect your files until you specifically choose to clear something. Nothing is removed automatically. Every action requires your confirmation.
What does Windows Disk Cleanup actually clean?
Windows Disk Cleanup removes: Windows Update cleanup files, Temporary Internet Files (Edge only), Recycle Bin contents, Thumbnails cache, Temporary files from Windows itself, and a few other predefined categories. It's useful for a quick pass but does not scan your entire drive or find large files outside these categories.
How much space can disk cleanup free up?
It depends entirely on your drive. Windows Disk Cleanup typically recovers 1–4 GB. A full scan with FreeUpDisk — which looks at your entire drive including game installs, browser caches across all browsers, and unused apps — typically surfaces 20–80 GB of clearable space on a drive that hasn't been cleaned in a year or more.
How often should I run disk cleanup?
For most users, once every 3–6 months is enough. If you install and uninstall software frequently, download large files often, or play games, monthly cleanup sessions are worthwhile.
Is FreeUpDisk better than Windows Disk Cleanup?
They serve different purposes. Windows Disk Cleanup is a quick utility for removing system temp files — it's fine for that job. FreeUpDisk is a full disk analyzer that scans your entire drive, visualizes what's large, and surfaces opportunities Windows Disk Cleanup can't find (game installs, all browser caches, old downloads, unused apps). For a real cleanup, use both: Windows Disk Cleanup for system files, FreeUpDisk for everything else.
Disk cleanup done in under 30 seconds
Scan your full drive. See exactly what's large. Clear it by category.
Free for Windows 10 and 11.