Download Wise Disk Cleaner 11 for free. This program cleans junk files, helps free up storage space, and organizes unnecessary data in Windows. It also includes a built-in disk defragmentation tool and an automatic cleaning scheduler.

Get to know Wise Disk Cleaner.

Wise Disk Cleaner This is a free Windows junk file cleaner that helps reclaim disk space by removing temporary files, system logs, browser cache, and leftover files from uninstallation. These files silently accumulate every time you start your computer, browse the internet, or install and uninstall programs, causing the C: drive to gradually lose space, resulting in slow performance, sluggish program loading, and sometimes even insufficient space warnings despite your memory. This program is specifically designed to address this problem by scanning for unnecessary files and safely deleting them without affecting your work files, documents, or images. It's ideal for those who want a clean disk without the time-consuming process of manually deleting folders one by one.

To use it, start by opening the program and selecting the category you want to scan. This ranges from temporary files on your computer, browsing history and cookies, to specific junk files from hundreds of popular programs, with the development team constantly updating the search rules. Once the scan is complete, you'll see a list of files with their sizes, allowing you to review each item before deleting them. You can remove any files you're unsure about from the list, reducing the chance of accidentally deleting important files. The difference from the Disk Cleanup that comes pre-installed with your computer is that it scans deeper and offers more detailed cleaning rules. Anyone who has used it... CCleaner You'll get used to it immediately because the workflow is very similar: select a category, scan, view the list, and then actually delete everything every time. There's no hidden deletion to worry about.

In addition to cleaning core files, this program also includes a disk defragmentation tool to group scattered files together, resulting in faster file opening, and a TRIM command for SSDs to extend drive life. For those who prefer not to open the program frequently, there's an automatic cleaning schedule option with daily, weekly, monthly, login, or idle time options. A one-click desktop widget allows for quick file cleaning without opening the program. The program is small, uses minimal resources, and has a portable version that can be used without installation. It's suitable for both general users who want easy computer maintenance and those who manage multiple computers and need a reliable, free tool.

Key Features

Scan and delete unnecessary Windows temporary files that are not needed for operation.
Scan for junk files from various programs and clean up accumulated data after use.
Manage the cache, history, and browsing history of your web browser.
The file list, including their sizes, is displayed before the deletion process begins, allowing for easy review of each file.
It has a general cleaning mode and a deep file scan mode.
You can schedule automatic file cleaning to be done daily, weekly, or monthly.
Create a one-click file clear shortcut on your desktop.
There is a Disk Defrag tool for analyzing and organizing data on the hard disk.
Supports checking and organizing compatible external storage devices.
It operates using minimal CPU resources during scanning and cleaning.
There is a portable version that can be activated without installing it on a computer.
Improve the junk file search rules to better cover newer programs and browsers.

What's new?

Version 11.4.0.860 – Sep 30, 2026

Supports new software. Added junk file cleaning for Mumble, TIDAL, Obsidian, Logseq, Roam Research, Craft, Element, ONLYOFFICE, YOZO Office, RustDesk, ProcessOn, SoftMaker FreeOffice, and SodaMusic.
Update the file wiping rules. Updated rules for finding junk files for Ubisoft Connect, Jitsi Desktop, and OpenOffice.
Fix bugs. Fixed minor errors reported in the previous version.

What's new?