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CCleaner

for Windows
4.5
  • Name CCleaner
  • Category Utilities & tools
  • Downloads 60,000,000+
  • Developer Piriform
CCleaner

CCleaner is a cleaning software program developed by Piriform. It can be used to clean and optimize the Windows operating system and remove unused files, junk data and others which may slow down your computer and take up limited storage space. Besides, CCleaner also can help you manage your startup programs, uninstall software, and tweak your system settings. 

CCleaner is also easy to use with its user-friendly interface. If you are looking for a tool to improve the performance and efficiency of your computer, CCleaner will be a good choice.

Features

  • Clean up your computer, remove temporary files, unwanted cookies and other junk files.
  • Scan and repair invalid or corrupt entries in the computer system.
  • Uninstall unwanted programs and remove leftover files and registry entries.
  • Reduce the startup time of programs and improve system performance.
  • Clean up browsers, including Chrome, Firefox and Edge.
  • Locate and remove duplicate files, free up disk space.
  • Recover deleted files and restore important data.
  • Customize which files and folders to clean.

Update

Latest update: Upgrade to CCleaner Professional for a Faster and Safer Computer

A new version of CCleaner is now available to download and it costs only $24.95. Though the free version of CCleaner has every basic feature that most users will need, CCleaner Professional includes additional features such as real-time monitoring, automatic updates, and priority customer support. Users can choose whether to upgrade their software depending on their daily needs.

Search Term Related

Does CCleaner get rid of viruses?

If you've already installed CCleaner that's a really good start but it doesn't detect or remove viruses, spyware or malware. For that reason, we always recommend using a respected antivirus in conjunction with our software for maximum security.

Is CCleaner completely free?

CCleaner has a free version. The standard version frees up space, clears your online tracks and helps you manage your machine so it runs faster.

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-06-07 20:39:49 HTTP/1.1 GET : https://software.popsilla.com/en/pc/ccleaner
  2. 运行时间 : 0.033341s [ 吞吐率:29.99req/s ] 内存消耗:4,404.77kb 文件加载:129
  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000235s ] mysql:host=localhost;port=3306;dbname=psilla_pcdata1;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `software_list` [ RunTime:0.000651s ]
  3. SELECT `this`.`id`,`this`.`slug`,`this`.`downloads`,`review`,`updates`,`update_time`,`native_name`,software_category.cate_name as category,`cate_id`,`link_win`,`link_mac`,`dev`,`os`,`version`,`system`,`pic`,`pic_2`,`latest_update`,`percent`,`rating` FROM `software_list` `this` LEFT JOIN `software_detail` ON `this`.`id`=`software_detail`.`software_id` LEFT JOIN `software_category` ON `software_category`.`id`=`software_detail`.`cate_id` LEFT JOIN `software_review` ON `software_detail`.`review_id`=`software_review`.`id` LEFT JOIN `software_votes` ON `this`.`id`=`software_votes`.`software_id` LEFT JOIN `software_dmca` ON `this`.`id`=software_dmca.software_id and software_dmca.domain_id = 32 WHERE ( `this`.`slug` = 'ccleaner' AND `software_detail`.`lang_id` = '3' ) AND `software_dmca`.`is_dmca` IS NULL LIMIT 1 [ RunTime:0.000714s ]
  4. SELECT `this`.`slug`,`native_name`,software_category.cate_name as category,`cate_id`,`downloads`,`rating` FROM `software_list` `this` LEFT JOIN `software_detail` ON `this`.`id`=`software_detail`.`software_id` LEFT JOIN `software_category` ON `software_category`.`id`=`software_detail`.`cate_id` LEFT JOIN `software_votes` ON `this`.`id`=`software_votes`.`software_id` LEFT JOIN `software_weight` ON `software_weight`.`software_id`=this.id and software_weight.domain_id = 32 LEFT JOIN `software_dmca` ON `this`.`id`=software_dmca.software_id and software_dmca.domain_id = 32 WHERE ( `software_detail`.`lang_id` = '3' ) AND `software_dmca`.`is_dmca` IS NULL ORDER BY RAND() LIMIT 12 [ RunTime:0.007032s ]
  5. SELECT `this`.`id`,`this`.`slug`,`native_name`,software_category.cate_name as category,`cate_id`,`downloads`,`rating` FROM `software_list` `this` LEFT JOIN `software_detail` ON `this`.`id`=`software_detail`.`software_id` LEFT JOIN `software_category` ON `software_category`.`id`=`software_detail`.`cate_id` LEFT JOIN `software_votes` ON `this`.`id`=`software_votes`.`software_id` LEFT JOIN `software_weight` ON `software_weight`.`software_id`=this.id and software_weight.domain_id = 32 LEFT JOIN `software_dmca` ON `this`.`id`=software_dmca.software_id and software_dmca.domain_id = 32 WHERE ( `this`.`id` <> '5' AND `software_detail`.`cate_id` = '1' AND `software_detail`.`lang_id` = '3' ) AND `software_dmca`.`is_dmca` IS NULL ORDER BY `weight` DESC LIMIT 0,6 [ RunTime:0.001998s ]
0.034012s