Windows Disk Insight & Cleanup

Find out what's really eating your storage.

Storage Doctor doesn't just delete temp files. It explains what is using your disk, why those files exist, and whether they're safe to remove — so you reclaim gigabytes with total confidence. Insight before deletion.

100% local — no file uploads No automatic deletion No telemetry by default
95%+ scan completion rate <90s to scan a 1 TB SSD 99%+ duplicate accuracy 13.35 MB installer SHA-256 content matching
Why Storage Doctor

Cleaning tools delete. Storage Doctor explains.

Most cleaners show you a vague "Temporary Files: 12 GB" and hope you press delete. Storage Doctor tells you the whole story first.

Understand what's there

See exactly which folders, files and apps are consuming space — and a plain-English description of what each one actually is.

Know what's safe

Every recommendation carries a risk level and an explanation, so you never guess whether removing something will break your system.

Reclaim with confidence

See precisely how much space each action recovers before you commit. Nothing is ever deleted without your confirmation.

Simple by design

From confused to clean in four steps

No setup, no accounts, no cloud. Open the app and start understanding your disk immediately.

1

Scan your drives

Scan C:, D:, E: and external drives. Watch folder sizes, file counts and progress update in real time.

2

Read the dashboard

Get total, used, free and recoverable space at a glance, plus your biggest categories, folders and files.

3

Review recommendations

Inspect large files, duplicates and app caches — each with a description, risk level and recoverable size.

4

Clean up safely

Delete, move, ignore or open any item. Every deletion is confirmed by you — never automatic.

Core features

Everything you need to master your disk

A complete toolkit for seeing, understanding and safely reclaiming your storage.

Scan & Overview

A storage dashboard that actually makes sense

Run a full scan of every local and external drive, then read your whole disk at a glance — total size, used, free and recoverable space, with your largest categories, folders and files ranked for you.

  • Real-time scan progress with folder sizes, file counts and duration
  • Largest-folder detection with an expandable folder tree and percentages
  • Click any folder to open a detailed breakdown of what's inside

Largest folders — Local Disk (C:)

📁 Users142 GB
📁 Program Files68 GB
📁 Windows41 GB
📁 ProgramData29 GB
📁 Downloads23 GB
Safe Cleanup Recommendations

Recommendations that explain themselves

Instead of dumping everything into a generic "cache" bucket, Storage Doctor categorizes each opportunity with a description, the exact space you'll recover, a risk level, and a recommended action.

  • Plain-language description of what each item is and why it exists
  • Risk level and clear recommended action for every entry
  • Recoverable size shown up front — no surprises

Cleanup recommendations

NVIDIA Shader Cache4 GB
Graphics shader cache that Windows recreates automatically.
Risk: LowRecommended
Chrome — GPU & Code Cache8.4 GB
Browser cache rebuilt on demand; safe to clear.
Risk: LowRecommended
Old installers in Downloads12 GB
Setup files not opened in 18 months.
Risk: Review
Duplicates & App Storage

Catch duplicates and hidden app bloat

Find true duplicate files by their SHA-256 content hash — not just matching filenames — and see how much space well-known apps like Chrome, Steam, Docker, VS Code and Adobe are quietly using.

  • Duplicate detection for images, video, documents, archives & music
  • Keep the original, delete the copies — you choose
  • Per-app storage breakdown: cache, GPU cache, media & code cache

Duplicate group — "vacation-clip.mp4"

Videos\vacation-clip.mp4 Keep1.8 GB
Downloads\vacation-clip(1).mp41.8 GB
Desktop\copy_of_clip.mp41.8 GB

Application storage

C Google Chrome8.4 GB
S Steam96 GB
D Docker22 GB
The full toolkit

Nine tools, one clear view of your disk

Initial drive scan

Scans C:, D:, E: and external drives, calculating folder sizes, file sizes, file counts and scan duration live.

Storage overview dashboard

Total, used, free and recoverable space with your largest categories, folders and files ranked at a glance.

Largest folder detection

Identify the folders eating the most space and open an expandable, percentage-based breakdown of each.

Large file finder

Locate files over 100 MB to 10 GB thresholds — ISO, ZIP, MP4, PSD, VHD and more — then open, move, delete or ignore.

Application storage detection

Recognizes Chrome, Steam, Docker, VS Code, Adobe and more, estimating each app's storage and cache usage.

Safe cleanup recommendations

Categorized suggestions with a description, recoverable size, risk level and recommended action for each.

Duplicate file detection

Finds true duplicates by SHA-256 content hash across images, video, documents, archives and music.

Downloads analyzer

Flags big ZIPs, old installers, ISO images and unused setup files, noting when each was last opened.

Unified search

Search across folders, applications, files, extensions and recommendations from one box to find anything fast.

100% Safe & Secure

Storage Doctor is a brand-new app, so Windows Defender SmartScreen may show an "unknown publisher" warning the first time you install it. This is normal for new software that hasn't yet built up download reputation — it is not a virus alert. We do not promote, bundle, or use any harmful code, and no file contents ever leave your computer.

To install if the warning appears:

  1. Click "More info" on the Windows protection dialog.
  2. Click "Run anyway" to continue the installation.
No harmful or hidden code 100% local — no file uploads No telemetry by default
Pricing

Start free. Upgrade when you're ready.

Core scanning and analysis are free forever. Unlock the deep-cleaning power tools with Pro.

Free

$0

Almost everything — the full analysis toolkit.

  • Full drive scan of all local & external drives
  • Storage overview dashboard
  • Largest folder detection & tree
  • Large file finder
  • Application storage detection
  • Safe cleanup recommendations
  • Downloads analyzer & unified search
Download Free
Pro

Pro

Upgrade at $20· one click

Everything in Free, plus these two power tools.

  • Duplicate File Detection & Removal — find true duplicates by SHA-256 content hash and delete extra copies
  • Full Process Report in PDF — export your complete scan & cleanup report as a PDF
Upgrade to Pro

After completing the payment, send the invoice to mikarmiaura@gmail.com — we will respond within 5 minutes.

Specifications

System requirements

Operating systemWindows 10 & Windows 11 (64-bit)
Supported drivesLocal drives (C:, D:, E:) and external drives
Installer size13.35 MB
Memory usageUnder 150 MB while idle
CPU usageUnder 10% while idle
Scan speedUnder 90 seconds on a 1 TB SSD
Duplicate matchingSHA-256 content hashing (99%+ accuracy)
PrivacyFully local — no file contents uploaded, no telemetry by default
EditionsFree & Pro
FAQ

Questions, answered

Does Storage Doctor delete files automatically? +

No. Storage Doctor never deletes anything automatically. Every cleanup action requires your confirmation, so you stay in full control of what stays and what goes.

Is my data uploaded anywhere? +

No file contents ever leave your computer. Scanning is fully local and no telemetry is enabled by default. Only payment-related requests use the internet, over HTTPS.

Why does Windows Defender warn me during install? +

Storage Doctor is a brand-new app, so Windows SmartScreen may show an "unknown publisher" warning until it builds up download reputation. This is normal for new software and is not a virus alert — the app is 100% safe and secure, with no harmful or hidden code. To continue, click "More info" and then "Run anyway".

How is this different from a normal disk cleaner? +

Traditional cleaners show generic categories like "Temp" or "Cache" and delete them. Storage Doctor explains what each item is, why it exists, whether it's safe to remove, and exactly how much space you'll recover — insight before deletion.

Which drives can it scan? +

It scans all local drives such as C:, D: and E:, as well as connected external drives.

How accurate is duplicate detection? +

Duplicates are identified by cryptographic SHA-256 hashes of the file contents rather than by filename, achieving over 99% accuracy across images, videos, documents, archives and music.

What's the difference between Free and Pro? +

Almost everything is free — drive scanning, the storage overview, folder analysis, the large file finder, application storage detection, safe cleanup recommendations, the downloads analyzer and search. Pro adds just two power tools: Duplicate File Detection & Removal, and exporting your full process report as a PDF.

Reclaim your disk space today

Stop guessing what's filling your drive. Download Storage Doctor and understand your storage in under 90 seconds.