CCleaner Review (2025): Still the Best PC Cleaner or Time to Switch?

For years, CCleaner has been one of the most downloaded system optimization tools for Windows.
It promises to clean junk files, boost speed, and protect privacy — but in 2025, with so many alternatives and built-in Windows tools, does CCleaner still deserve a spot on your PC?

Let’s find out if CCleaner is still worth using — or if it’s time to move on.

⚙️ What Is CCleaner?

CCleaner is a popular PC cleaning and optimization tool developed by Piriform (now owned by Avast).
It was first released in 2004 and quickly became famous for its simple interface and powerful cleanup features.

The software helps users:

  • Remove temporary files and junk data
  • Clear browser cache and cookies
  • Fix registry issues
  • Manage startup apps
  • Uninstall unwanted programs

Available for Windows, macOS, and Android, CCleaner is designed to make your system run smoother and faster.

💡 Related: 10 Essential Privacy Settings to Change on Windows 11

🧹 Main Features of CCleaner (2025)

  1. Junk File Cleaner – Deletes temporary system files, recycle bin data, browser cache, and logs.
  2. Registry Cleaner – Fixes invalid entries and errors to improve performance.
  3. Startup Manager – Speeds up boot time by disabling unnecessary startup apps.
  4. Software Updater – Checks for outdated applications and offers quick updates.
  5. Driver Updater – Scans and updates drivers automatically (in CCleaner Professional).
  6. Privacy Cleaner – Erases browsing history, cookies, and trackers.
  7. Health Check – Runs a one-click system scan to clean and optimize your PC.

💻 Performance and Effectiveness

CCleaner is lightweight and easy to use.
In 2025, its performance remains strong — cleaning hundreds of MBs of temporary files within seconds.

In real-world use:

  • Disk space recovered: ~500 MB–2 GB on average
  • Startup time improvement: 15–25% faster boot time
  • Browser speed: Slight improvement after cache cleaning

However, many of these benefits overlap with built-in Windows 11 features like Storage Sense and Disk Cleanup, reducing CCleaner’s uniqueness.

🔒 Privacy and Security

CCleaner includes a Privacy Cleaner feature that deletes tracking cookies and browsing data from Chrome, Edge, Firefox, and other browsers.
You can also customize what data to keep (like saved logins) and what to erase.

But, CCleaner’s history hasn’t been spotless — it faced a security breach in 2017 when hackers compromised its update servers.
Since then, Avast has strengthened its data security, and no major issues have occurred since.

📘 Also read: Best Free VPN Apps for Android and iPhone (2025)

Still, if privacy is your #1 priority, you might prefer open-source system cleaners like BleachBit (used by Linux users).

💰 Pricing and Plans

CCleaner offers both Free and Professional versions.

Version Price Features
Free $0 Basic cleanup, manual scans
Professional $29.95/year Real-time monitoring, automatic updates, driver updater, premium support
Professional Plus $44.95/year Adds performance optimizer and disk defragmenter

The free version is enough for casual users, while the paid plans add convenience and automation.

📱 CCleaner for Android and macOS

On Android, CCleaner offers:

  • Junk and cache cleaning
  • App manager
  • Battery and storage optimization

On macOS, it’s lighter but includes:

  • Browser cleaning
  • System junk removal
  • App uninstaller

Both versions are simple and ad-free, making them great for mobile maintenance.

⚡ Performance Impact

CCleaner is not resource-intensive.
During scans, it uses less than 5% CPU and around 100MB RAM, meaning it runs smoothly even on low-end PCs.

Pro Tip: Avoid overusing the Registry Cleaner — modern Windows systems manage the registry efficiently without manual tweaks.

🧠 Pros and Cons

Pros

  • Easy to use, beginner-friendly interface
  • Effective junk file cleaning
  • Startup optimization improves performance
  • Lightweight and fast
  • Regular updates from Avast

Cons

  • Registry cleaner is outdated and sometimes unnecessary
  • Limited features in free version
  • Some cleanup features overlap with Windows tools
  • Past privacy controversies (now resolved)

💭 Verdict: Is CCleaner Still Worth It in 2025?

✅ Yes — with caution.
If you want a simple, one-click PC cleaner that’s safe, reliable, and fast, CCleaner remains a solid option in 2025.

However, if you already use Windows 11’s built-in cleaning tools or prefer more transparency, you might explore alternatives like:

  • BleachBit (free, open-source)
  • Wise Disk Cleaner
  • CleanMyPC

In short:

🚀 Best for: Quick PC maintenance
🧱 Not ideal for: Advanced users who prefer manual control

🔗 Official Website: https://www.ccleaner.com

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