Storage Intelligence for Windows

Find it. Understand it. Decide safely.

ClearKun demystifies your Windows storage. Discover what is genuinely consuming disk space, understand cryptic system caches in plain language, and make confident cleanup decisions without risking important files.

100% Local
Zero cloud uploads
Zero Risk
Never auto-deletes
Win 10 / 11
Native API performance
ClearKunWindows
Ready
Storage Overview
C: Drive201.6 GB / 512 GB
ClearKun mascot
Scan complete!

We found 54.3 GB that you can clean safely.

Top Space Hogs
Sorted by size
Old Windows Updates
18.7 GB
Temporary Files
9.2 GB
Cache
6.8 GB
Downloads
5.1 GB
Recycle Bin
3.2 GB
54.3 GB
機能一覧 · CAPABILITIES

Everything you need to master your disk space

ClearKun combines blazing fast native scanning with an intelligent explanation engine. No guesswork, no cryptic file names.

Instant Windows File Indexing

Scan millions of files in under 3 seconds using native Windows storage hooks. No sluggish wait times or endless progress spinners.

Direct NTFS metadata access

Large File & Duplicate Discovery

Pinpoint multi-gigabyte ISOs, old installers, forgotten video recordings, and virtual disk images hiding deep within nested folders.

Filter by size, type, and age

AppData & Hidden Cache Breakdown

Demystifies %LOCALAPPDATA%. Understand Spotify caches, browser data, Discord media, and dev tool remnants in plain English.

Identifies app-specific bloat

Windows System Storage Insights

Understand WinSxS, Delivery Optimization, Windows.old, hiberfil.sys, and paging files so you know why the C drive fills up even when apps are elsewhere.

Safe Windows component advice

Safe Cleanup Decision Engine

Every file category is labeled with a clear safety tier (Safe, Caution, Protected). Never guess whether a file is safe to remove.

Guards system-critical paths

100% Offline & Privacy-First

All scanning and indexing happens strictly on your local PC using native Windows Win32 APIs. Your filenames, document contents, and paths are never uploaded.

Zero cloud inspection
仕組み · HOW IT WORKS

From confusing storage to complete clarity in 4 steps

No black-box algorithms or automated destructive actions. You stay in the driver's seat from start to finish.

01Scan

Instant Local Scan

Native Windows traversal indexes disk metadata in seconds without pegging CPU or disk I/O.

02Understand

Human Explanations

Instead of confusing paths like AppData\Local\Packages, ClearKun explains exactly what created the data.

03Review

Safety Classification

Clear safety badges highlight temporary caches vs. important user files before any action is proposed.

04Decide

Safe Action

Reclaim gigabytes of space with granular control. Never worry about accidentally deleting system files.

安心設計 · SAFETY FIRST

Why ClearKun is different from traditional "cleaners"

Most cleanup tools act like black boxes: they promise to "speed up your PC", modify delicate Windows registries, or delete files without explaining what they are. ClearKun takes the exact opposite approach.

Transparent Explanations

Every file group has clear context on why it exists and what happens if removed.

Zero Registry Tampering

We never touch the Windows Registry. Your operating system stability is never endangered.

Zero Background Battery/CPU Drain

Runs only when you open it. No permanent background daemons or unwanted popups.

At a Glance Comparison

Local Processing100% On-Device
Registry ModificationsNever (0%)
File ExplanationsPlain Human English
Subscription Lock-inZero Recurring Fees
Windows 10 & 11 SupportFull Native Support
Available Now on Microsoft Store

Reclaim Your Windows Storage Today

ClearKun helps you understand your Windows storage, discover large and unnecessary files, and clean with confidence.

Free Download
100% Offline & Private
Works on Windows 10 & 11