Over time, every Windows PC becomes slower. Temporary files, leftover registry entries, startup programs, and system clutter can reduce performance. A reliable PC cleaner helps remove junk files, optimize performance, and improve system stability.
In this guide, we tested and reviewed the best PC cleaner software for Windows in 2026. At PC Hippo, we only recommend trusted tools with clean and official download links.
Why You Need a PC Cleaner
When you install and uninstall programs, your system collects unnecessary files. These files can:
Slow down startup time
Reduce available disk space
Cause system errors
Impact overall performance
A PC cleaner helps maintain system health by removing unwanted files and optimizing system processes.
1. CCleaner – Best Overall PC Cleaner
CCleaner remains one of the most popular system optimization tools for Windows users.
Key Features
Removes temporary and junk files
Cleans browser cache
Startup manager
Registry cleaner
Best For
Users who want a simple and effective all-in-one cleaner.
2. Advanced SystemCare – Best for Deep Optimization
Advanced SystemCare offers deeper system cleaning and performance tuning features.
Key Features
AI-powered cleaning
Real-time system monitoring
Privacy protection tools
Startup optimization
Best For
Users who want automated optimization with advanced features.
3. Wise Disk Cleaner – Best Lightweight Cleaner
Wise Disk Cleaner is a lightweight and fast cleaning tool that focuses on disk cleanup.
Key Features
Quick scanning
Low system impact
Scheduled cleaning
Disk defragmentation tool
Best For
Users with low-end PCs who need a lightweight solution.
4. Glary Utilities – Best Free Utility Suite
Glary Utilities provides multiple maintenance tools in one package.
Key Features
Disk cleanup
Registry repair
Startup manager
Privacy cleaner
Best For
Users who want a free utility toolkit.
Free vs Paid PC Cleaner Software
Free PC cleaners are suitable for basic cleanup tasks. However, paid versions often include:
Real-time monitoring
Automatic scheduled cleaning
Advanced optimization
Technical support
If you use your PC for work or gaming, investing in a premium version may provide better long-term performance.
Do PC Cleaners Really Improve Performance
Yes, but results depend on your system condition. If your PC has excessive junk files and too many startup programs, a cleaner can significantly improve boot speed and responsiveness.
However, PC cleaners cannot fix hardware limitations. If your PC has very low RAM or an old hard drive, hardware upgrades may also be necessary.
How We Test PC Cleaner Software at PC Hippo
Our evaluation process includes:
Cleaning efficiency
System performance impact
Ease of use
Safety and transparency
Value for money
We only list tools that are safe, reputable, and officially distributed.
Final Verdict
If you want a balanced and reliable solution, CCleaner is a strong choice. For deeper system optimization, Advanced SystemCare offers more advanced tools. Users with older PCs may prefer Wise Disk Cleaner for its lightweight performance.
Always download PC cleaner software from official sources. PC Hippo provides direct and clean links to ensure safe installation.