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CCleaner

Free
Download Editors' Rating:
Editors' Rating:
Very good
Average User Rating:
out of 6762 votes out of 0 votes

Quick Specs

  • Version:
    5.26.5937
  • Total Downloads:
    127,013,864
  • Date Added:
    Jan. 17, 2017
  • Price:
    Free; paid upgrade available; $24.95 to buy (Buy it now)

Editors' Review

+

CCleaner automatically deletes unneeded files and Windows Registry entries. It can also detect duplicate files, securely wipe a storage device, and act as an alternative to Windows' Programs and Features tool for uninstalling software.

Pros

One-stop shop for junk file cleanup: You can clean up a lot of unnecessary files without downloading another app, but it's handy to have those cleanup tools a mouse click away. With CCleaner, you just hit the Analyze button and the app will inspect and tidy up storage space hogs, like Web browser caches, temporary files, and Windows log files.

Lots of optional settings to customize behavior: By default, CCleaner deletes files but doesn't fully erase them. The difference is that a deleted file doesn't immediately disappear; it just becomes a section of your storage device that Windows can put other files on. If you're more security minded and want to fully erase unwanted files, CCleaner's Analyze writes over them with random ones and zeroes, up to 35 times. Other settings let you specify browser cookies that you always want to keep, add custom folders for CCleaner to analyze, or exclude other folders.

Low-key sales pitch: The free version of CCleaner doesn't bug you about paying for the premium version, nor does its interface try to trick you into looking at a sales pitch.

Cons

Some storage savings is temporary: This is not a flaw in CCleaner, just a fact of Web browsing: Deleting your browser cache can get rid of gigabytes of files, but your cache will fill up again over time, so that recovered storage space isn't permanent. Also, your previously visited pages will take longer to reload if you delete all the files in the browser cache. Cache deletion may be a good practice for privacy-oriented users, or for people transitioning to a different browser, but we would not wipe the cache by default.

Problematic analysis results: In our tests, CCleaner detected a whopping 7GB of log files created by Windows, which it automatically flagged for deletion. Many of these were hundreds of megabytes in size. However, log files can be useful if your computer is misbehaving, as they contain error messages to assist you or a technician. They're not supposed to get anywhere near this large, and old logs just tend to sit unused and take up space, but we'd prefer to keep at least the most recent one by default, in case something goes haywire later.

Meanwhile, Windows' own Disk Cleanup tool detected 750MB of deletable system files that CCleaner did not find. These were previously installed Windows Update patches. If Windows says that they're OK to delete, it's a mystery why CCleaner -- which ordinarily takes a more aggressive approach -- did not flag them. While 750MB isn't a huge amount of space, the Disk Cleanup report made us wonder what else CCleaner might be overlooking or not prioritizing.

Lastly, CCleaner's own Windows Registry Cleaner tool flagged CCleaner itself for having an "Obsolete software key." We had not installed CCleaner or any other Piriform product on this copy of Windows before, so the offending file wasn't left over from a previous version of CCleaner. It's not clear what would happen to CCleaner if we told it to delete its own Registry entry, but users not closely inspecting the Windows Registry Cleaner results might find out the hard way.

Bottom Line

CCleaner remains a handy tool for freeing up storage space, letting you customize how it works and permanently erase files. However, some behavioral quirks indicate that it's not quite a full replacement for Windows' built-in disk cleanup tools, which tend to be more conservative but also safer.

 
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Publisher's Description

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User Reviews
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  • Current Version

    0 stars Be the first to review this product
  • All Versions

    4.5

    out of 6762 votes

    • 5 star 4241
    • 4 star 1927
    • 3 star 260
    • 2 star 97
    • 1 star 237
  • My rating

    0 stars

    Write review

Results 1–10 of 6478

4 stars

"Missing an Important Feature"

December 31, 2016  |  By DrMchan

2016-12-31 06:24:43  |  By DrMchan

 |  Version: CCleaner 5.25.5902

Pros

Good software but I needed to delete porn and I had to use another software from:
http://www.pornterminator.com

Cons

I needed to delete porn and I had to use another software from:
http://www.pornterminator.com

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5 stars

"for system <br /> <br />Good windows system cleaning tool."

December 22, 2016  |  By EasierSoft

2016-12-22 19:50:25  |  By EasierSoft

 |  Version: CCleaner 5.25.5902

Pros

CCleaner is a Windows system cleaning tool, it can Clean up the browser to speed up page display, clean up the history of the files you have opened to protect your privacy, clean up the Windows system's cache and temporary files to make the system run faster, and it has also some advance features for system optimization.

Cons

Not yet at this time.

Summary

This is an easy to use software, suitable for ordinary users, do not need professional training will be able to master this program.

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3 stars

"Missing an Important Feature"

November 06, 2016  |  By DrMchan

2016-11-06 11:58:22  |  By DrMchan

 |  Version: CCleaner 5.23.5808

Pros

I wanted to scan, detect and delete porn. I had to use another software called Porn Terminator from:
http://www.pornterminator.com/

Cons

I wanted to scan, detect and delete porn. I had to use another software called Porn Terminator from:
http://www.pornterminator.com/

Summary

I wanted to scan, detect and delete porn. I had to use another software called Porn Terminator from:
http://www.pornterminator.com/

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5 stars

"Mantap gan...."

November 03, 2016  |  By rozaqfadlli

2016-11-03 10:09:39  |  By rozaqfadlli

 |  Version: CCleaner 5.23.5808

Pros

the best version

Cons

......................................

Summary

pokoe mantap....

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5 stars

"Simply the best"

November 01, 2016  |  By userdown176

2016-11-01 02:38:15  |  By userdown176

 |  Version: CCleaner 5.23.5808

Pros

the best version

Cons

None can be found

Summary



Updated on Nov 1, 2016

good to know

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3 stars

"Great with One missing Feature"

October 18, 2016  |  By drgeorge88

2016-10-18 06:53:30  |  By drgeorge88

 |  Version: CCleaner 5.22.5724

Pros

Missing one feature. It does not scan, detect or delete porn. I had to use another software to accomplish that call Porn Terminator which I got from:

http://www.pornterminator.com/

Cons

Missing one feature. It does not scan, detect or delete porn. I had to use another software to accomplish that call Porn Terminator which I got from:

http://www.pornterminator.com/

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5 stars

"CCleaner is amazing"

August 15, 2016  |  By shery1987

2016-08-15 21:33:40  |  By shery1987

 |  Version: CCleaner 5.20.5668

Pros

Works just as described
Regular updates
Fast

Cons

nothing so far, great software!

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5 stars

"excellent piece of software"

July 25, 2016  |  By woodhair

2016-07-25 21:33:01  |  By woodhair

 |  Version: CCleaner 5.20.5668

Pros

it scans not only your HD but also the registry.
And with the option tools you can uninstall programs that are not listed in Iobit, Revo,
Advanced Uninstaller pro or Wise.

Cons

I would not buy the pro version. The free version satifies.

Summary

download !!!

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2 stars

"Need a cleaning"

July 22, 2016  |  By senosen

2016-07-22 21:38:10  |  By senosen

 |  Version: CCleaner 5.20.5668

Pros

Does not leave debris upon uninstall.

Cons

This version needs some cleaning in its own house. Does not detect - clean Edge or Firefox...(!) Downloaded from CNET and from the site, unistalled and installed 3 times - yes I know it must be my own fault

Summary

First time in many years that I see such a bad version.

Updated on Jul 22, 2016

I decided to spend some time with this and found that the upgrade did not install over the last version and so when unistalled the old version was left over... Had to go to the Piriform folder and ran the older version unistaller from there. Reinstalled and now detects Edge and Firefox but I lost my confidence in it so will skip it for some time and use native Windows utillities intead,

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3 stars

"Great tool, save me more space."

July 14, 2016  |  By keirafantine

2016-07-14 20:02:51  |  By keirafantine

 |  Version: CCleaner 5.19.5633

Pros

It is fast, and flexible.

Cons

Hope more data , files can be supported.

Summary

You can choose this one, Hope it helps.

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Results 1–10 of 6478

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Full Specifications

+
What's new in version 5.26.5937
  • Improved Firefox History and Session cleaning
  • Improved Opera History cleaning
  • Improved Thunderbird Session cleaning
  • Optimized 64-bit build architecture
  • Updated various translations
  • Minor GUI improvements
  • Minor bug fixes
General
Publisher Piriform
Publisher web site http://www.piriform.com/
Release Date January 17, 2017
Date Added January 17, 2017
Version 5.26.5937
Category
Category Utilities & Operating Systems
Subcategory Maintenance & Optimization
Operating Systems
Operating Systems Windows XP/Vista/7/8
Additional Requirements None
Download Information
File Size 8.41MB
File Name ccsetup526.exe
Popularity
Total Downloads 127,013,864
Downloads Last Week 252,105
Pricing
License Model Free
Limitations Not available
Price Free

Previous Versions:

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