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CCleaner Reviews & Product Details

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Value at a Glance

Averages based on real user reviews.

Time to Implement

1 month

Return on Investment

9 months

User Insights

Average based on 627 real user reviews.

Implementation Time

1 month

Perceived Cost

$$$$$

CCleaner Reviews FAQs

Generated using AI

Last updated: Nov 01, 2026

What is CCleaner, and what problem is it built to solve?

CCleaner is a computer-cleanup utility used to remove temporary files and browser data that build up and take up disk space. Users also turn to it for routine maintenance when clutter is affecting how smoothly a computer runs.

What company sizes and industries is CCleaner the best fit for?

CCleaner is used across small businesses, mid-market organizations, and enterprises, with the clearest concentration among small businesses. Positive use is also visible across several technology-focused industries.

What customer support options does CCleaner provide, and how do users find the overall support experience?

Support has been described as professional and clear when resolving issues, but complaint handling has also been criticized as slow.

What features or capabilities could make CCleaner even more useful?

The most useful improvements would make the more advanced cleanup tasks safer and give users more control over what gets removed.

Is CCleaner considered safe and secure for handling data?

CCleaner is used for cleanup and clearing browser traces, but users do not treat it as a replacement for antivirus protection. Confidence is mixed: users value its privacy-cleanup functions, while others raise concerns about data handling and past security issues. Care is also warranted with registry and file-cleanup settings, since removing needed items can cause problems.

CCleaner Reviews (627)

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Reviews

CCleaner Reviews (627)

View 1 Video Reviews
4.5
627 reviews

What do users say?

Generated using AI from real user reviews
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Hasal D.
HD
Hasal D.
Software Engineer
Small-Business (50 or fewer emp.)
Originally submitted 7/22/2026
"A Simple Tool for Keeping My PC Clean"
2.5/5
What do you like best about CCleaner?

What I like most about CCleaner is how quick and easy it is to free up disk space and remove temporary files. The interface is simple, the scan only takes a few moments, and I can clean up unnecessary files with just a couple of clicks. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

The free version works well for basic cleanup, but some advanced features require a paid subscription. I also wish the software gave a little more explanation about what each cleanup option does before removing files. Review collected by and hosted on G2.com.

Yas Q.
YQ
Yas Q.
Business Development Manager
Small-Business (50 or fewer emp.)
Originally submitted 8/27/2019
"super useful and practical software for system hygiene"
5/5
What do you like best about CCleaner?

Not bloatware, runs in the background without being heavy on CPU and RAM usage. Regular software updates as well. i really like the registry cleanup tool and ability to remove unwanted program reg entries. overall it's a small install footprint, fast, and comprehensive tool. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

The installer will ask you if you would like to add programs to your computer(anti virus/browser) unless you explicitly decline it. I had to double-check that I hadn’t installed the antivirus software, as I don’t need it. Review collected by and hosted on G2.com.

Nijat I.
NI
Nijat I.
Full-stack Developer
Information Technology and Services
Small-Business (50 or fewer emp.)
"Effortless System Cleaning and Optimization Made Simple"
4.5/5
What do you like best about CCleaner?

CCleaner is a program that simplifies and optimizes system cleaning. With CCleaner, unnecessary files are easily removed. The tool is simple to use. There are no complicated steps to follow when using CCleaner to clean, optimize, and manage startup items. Additionally, the tool is regularly updated. It keeps up with changes in the computer system. It is a helpful tool for maintaining a computer's speed. It doesn't need technical expertise. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

The free version doesn't have as many features as the paid version, so there are a few alerts and prompts that are repeated or not necessary. Some cleaning actions would need to be manually reviewed so as not to remove important files. Every once in a while, an update would change something in the interface that was odd. Generally speaking, it works well, but these petty annoyances pop up every now and then. Review collected by and hosted on G2.com.

Fabrizio M.
FM
Fabrizio M.
OPERATORE ANTINCENDIO - OSPEDALE PEDIATRICO BAMBINO GESù
Hospital & Health Care
Mid-Market (51-1000 emp.)
"If you have a slow PC, it's useful to clean the PC"
2.5/5
What do you like best about CCleaner?

What I like most about CCleaner is that it is easy to use and does what it promises without complications. I open it, click a couple of things, and the PC immediately runs a bit better, especially when it's slow or full of unnecessary stuff. Very convenient because it fixes registry keys and gives the option to uninstall apps that aren't in the control panel. It's very reliable, and my company is trying to implement the pro version. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

The thing I didn't like about CCleaner is that when you clean unwanted files like cache, cookies, etc., you click on delete but it gives you back, for example, 1 GB of used space between cookies and temporary files, then it asks you twice why? Resolve this, it doesn't give a sense of reliability. There are many other open-source programs that do what CCleaner does even 10 times better. Review collected by and hosted on G2.com.

MC
Mark C.
Trustee
Information Technology and Services
Small-Business (50 or fewer emp.)
"Flawless Performance and Features Across Windows and Android"
5/5
What do you like best about CCleaner?

This product offers excellent features and functions flawlessly on both Windows and Android platforms. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

There isn't anything I can point to that I dislike. Review collected by and hosted on G2.com.

Verified User in Commercial Real Estate
UC
Verified User in Commercial Real Estate
Small-Business (50 or fewer emp.)
"Speeds Up My System Effortlessly"
4.5/5
What do you like best about CCleaner?

It speeds up my system even just using the free version Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

Need to be careful with registry clean but CCleaner makes it very clear you should use a back up. Review collected by and hosted on G2.com.

Varsha G.
VG
Varsha G.
Software Engineer
Mid-Market (51-1000 emp.)
"System optimization and management"
5/5
What do you like best about CCleaner?

CCleaner is an excellent PC management software with various features to boost its performance. It can help optimize system performance by removing unnecessary files, temp files, and invalid registry entries. You can free up disk space and improve the system's speed. CCleaner has tools to clean the browsing history, cookies, and temporary internet files, which can help protect your privacy and prevent unauthorized access to sensitive information stored on your browser. You can uninstall unwanted applications and manage startup apps, making the bootup time quicker and smoother. Using various options and settings, you can customize the cleaning process according to your specific needs. CCleaner is regularly updated to address security vulnerabilities and compatibility issues with new OS updates, ensuring that you have access to the latest features and improvements. Furthermore, CCleaner's ability to remove unwanted files and apps helps reclaim disk space, thus reducing the need for more storage devices and delaying hardware upgrades. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

The only thing I dislike about Ccleaner is that it's not user-friendly for beginners. If it's not used carefully, it can remove files needed by specific applications and lead to functionality issues. Although it can help with privacy protection, it doesn't guarantee security as an antivirus software. Review collected by and hosted on G2.com.

Patrick R.
PR
Patrick R.
Manager of Development Services
Computer Software
Small-Business (50 or fewer emp.)
Originally submitted 2/26/2018
"Not recommended any more - Don't install junk and you won't need to clean your PC"
0.5/5
What do you like best about CCleaner?

CCleaner gives the promise of freeing disk space and making your computer run faster. That's all good, but does it actually work? If you choose to use it, be sure you understand what it is doing. By cleaning up cookies, and browser settings, you might delete passwords and login authentication you don't know how to get back. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

It still seems to be "too" powerful. I would expect a product like this to only allow me to do things that are safe, but it can make massive changes to the system registry and delete files you might actually need. Review collected by and hosted on G2.com.

Heather B.
HB
Heather B.
Senior Executive Assistant
Entertainment
Small-Business (50 or fewer emp.)
Originally submitted 3/8/2019
"Best Free Computer Cleaner I've Found"
5/5
What do you like best about CCleaner?

Simplicity, ease of use, ability to customize what you're 'cleaning,' and I love the additional tools such as the software updater, uninstall options, and startup options. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

It is constantly updating, which is good, but it gets a little tedious with how often I have to download the update. I also wish they would stop bundling their browser as an optional download during installation. Review collected by and hosted on G2.com.

Dhiya P.
DP
Dhiya P.
Software Engineer
Mid-Market (51-1000 emp.)
Originally submitted 1/7/2023
"Vital to keep computer clean and smooth"
5/5
What do you like best about CCleaner?

CCleaner is an all-in-one computer cleaning software with various tools to remove unwanted files and errors from the disk. CCleaner is a multipurpose platform with multiple features like Health Check, Performance Optimizer, Driver Updater, and Registry Cleaner. You can use the Health Check scan to see how well your computer is performing and what's causing it to slow. The Performance Optimizer shows you which applications are causing more load on your CPU, including start-up applications that launch and run in the background as soon as you turn your computer on. The Driver Updater is an essential tool that looks for new updates for all the drivers you use so that your system runs fast and is as secure as possible. The Registry Cleaner does an excellent job cleaning the registry by deleting old and unwanted values, broken paths and directories, broken thumbnails, etc. CCleaner is a collection of several features that collaboratively aim to help you maintain your computer's speed and overall performance. Review collected by and hosted on G2.com.

What do you dislike about CCleaner?

I've not had any issues with CCleaner after using it for over a decade. I'd previously used it on my laptops as they would become slow over time. But with CCleaner, I've been able to keep both my desktop computer and my laptop as good as new by deleting unwanted files. Review collected by and hosted on G2.com.

Questions about CCleaner? Ask real users or explore answers from the community

Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights.

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G2
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Last activity over 6 years ago

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Mark W.
MW
Mark Woodruff
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Last activity over 6 years ago

Does CCleaner have a comprehensive list of ALL settings?

Pricing Insights

Averages based on real user reviews.

Time to Implement

1 month

Return on Investment

9 months

Average Discount

12%

CCleaner Comparisons
CCleaner Features
Purge Temp Files
Clutter Reduction
Registry Cleanup