See exactly where your disk space went.
DiskSight scans millions of files in seconds and maps your whole drive as an interactive treemap — so you can find the space hogs and clean them up safely.
24-hour free trial · No credit card required
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Local & private
Everything you need to reclaim space
Built for speed and safety, with a visual view of every byte.
Interactive treemap
Every folder and file, sized to scale and colour-coded by type. Drill down, hover for details, jump straight to Explorer.
Blazing fast scans
A parallel engine walks millions of files in seconds, streaming live progress as it goes.
Safe cleanup
Stage deletions, send to the Recycle Bin, and see exactly how much space you freed — with protected-path warnings.
Multi-drive support
Scan any fixed, removable, or network drive. Snapshots let you compare against a previous scan.
File-type breakdown
A category donut shows what kind of files dominate — video, images, apps, cache — click to filter.
Instant search
Find the biggest offenders by name across the whole drive and reveal them in the tree instantly.
Three steps to a cleaner drive
Download
Install DiskSight for Windows and start your free 24-hour trial — no card needed.
Scan
Pick a drive. DiskSight maps every file into an interactive treemap in seconds.
Clean
Spot the space hogs, stage them, and reclaim gigabytes safely via the Recycle Bin.
Loved by people who value their space
“Found 200 GB of old video renders in under a minute. Recovered half my SSD.”
“The treemap just makes it obvious. No more guessing which folder is huge.”
“Staging deletes to the Recycle Bin means I can clean up without fear.”
Simple, honest pricing
Start free. Upgrade when it earns its keep.
Monthly
$5 /month
Flexible, cancel any time.
- Up to 3 machines
- All features, updates while active
- Email support
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Annual
$39 /year
Save 35% vs monthly
- Up to 3 machines
- All features, updates while active
- Priority email support
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Lifetime
$99 once
Pay once, yours forever.
- Up to 3 machines
- All features, updates forever
- Priority email support
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24-hour free trial in the app, no credit card required. All prices in USD, tax added at checkout.
Frequently asked questions
Ready to reclaim your disk?
Download DiskSight and see where your space went in the next five minutes.
Download for Windows