Update
- Reduced the risk of memory related errors and improved reliability by porting to Rust
- Added file cleanup with options to choose what to remove
- Improved startup program and service lists for easier management
- Easily remove security (?) programs that must be installed to access banking websites.
- Cleanly terminate malware disguised with the same filenames as Windows system processes.
- Essential drivers (graphics, sound) are not terminated.
(Terminating drivers may reduce performance.) - Trusted antivirus software is not terminated.
- Easily disable items that slow down Explorer (such as toolbars).
- Use without installation.
Homepage
- KCleaner : https://kcleaner.kilho.net
History
-
Version 3.8.8 (2026/07/15)
- Faster and more reliable memory optimization
- Enhanced desktop display stability across various PC environments
- Improved speed by streamlining the cleanup process
- More efficient browser-focused memory management
- Added support for Spanish language.
-
Version 3.8.7 (2026/04/15)
- Fixed a crash caused by misbehaving security software interfering after clicking the Run button
- Applied code signing certificate and improved signing process
-
Version 3.8.6 (2026/03/19)
- Improved memory management for better efficiency
- Optimized internal processing for faster system responsiveness
- Reduced unnecessary memory usage for a smoother experience
- Enhanced overall stability and performance
-
Version 3.8.5 (2026/03/15)
- Added cleanup support for working set, cache, and standby memory
- Added system memory cleanup feature
Related Links
- Update Notice : https://kilho.top/archives/notice/2940
License
- KCleaner is freeware.
- You can use it freely at your company, home, government office, school, or anywhere else.
- You may freely distribute it anywhere.
Download
Frequently Asked Questions (FAQ)
- Is KCleaner free?
Yes, KCleaner is free to use anywhere, including at companies, homes, schools, and government offices. - Can KCleaner remove security programs?
Yes, you can easily remove mandatory security programs installed by banking websites. - Will KCleaner terminate important drivers or antivirus software?
No, it does not terminate essential drivers (such as graphics and sound) or trusted antivirus software. - Does using KCleaner improve computer performance?
Yes, terminating unnecessary programs and toolbars can improve PC performance and web browser speed. - Does the program need to be installed?
No, KCleaner can be used right away as a standalone file, with no installation required.





