Windows 11 includes built-in Storage Sense for basic cleanup, but third-party tools go further by targeting browser data, application caches, Windows Update leftovers, startup programs, and registry entries that Windows leaves behind. The five tools below cover the full range from simple one-click cleaners to advanced system optimizers, with options at every price point including free.
Comparison Table
| Product | Best For | Rating |
|---|---|---|
| CCleaner Professional | All-around Windows cleaning | 4.8/5 |
| BleachBit | Privacy-focused, open source | 4.6/5 |
| Wise Disk Cleaner | Storage recovery and scheduling | 4.5/5 |
| Glary Utilities Pro | Multi-tool system optimization | 4.6/5 |
| IObit Advanced SystemCare | Automated background cleaning | 4.5/5 |
CCleaner Professional — Best All-Around Windows Cleaner
CCleaner Professional remains the most widely used Windows cleaning tool for good reason: it covers browser history and cache across all major browsers, Windows temp files, recent file lists, clipboard contents, and application-specific junk. The Health Check feature provides a guided cleanup for users who don’t want to manage individual settings. Real-time monitoring flags new junk files as they accumulate. The Professional version adds automatic updates and priority support. CCleaner has been audited after a 2017 malware incident and has maintained a clean record since. Find CCleaner Professional on Amazon
BleachBit — Best Free and Open Source
BleachBit is a free, open-source cleaner with no upsells, no telemetry, and no bundled software. It handles browser cleaning, system temp files, log files, and application-specific caches across dozens of programs. The Windows version also includes a free-space wipe function that overwrites empty disk space, preventing recovery of previously deleted files. For privacy-conscious users or those who distrust commercial software with system-level access, BleachBit’s open codebase allows full inspection of what it does. It requires slightly more technical comfort to configure than commercial alternatives. Find BleachBit on Amazon
Wise Disk Cleaner — Best for Storage Recovery
Wise Disk Cleaner specializes in finding large junk files that generic cleaners miss, including Windows Update delivery cache, hibernation files, and system restore points older than a specified date. The free tier is genuinely capable for storage recovery. The paid version adds a disk defragmenter (useful for HDDs, not SSDs) and automated scheduling. The interface is clean and beginner-friendly, clearly explaining what each category of files contains before you delete them. Wise Disk Cleaner consistently ranks well for the amount of storage it recovers on drives used for several years. Find Wise Disk Cleaner on Amazon
Glary Utilities Pro — Best Multi-Tool Suite
Glary Utilities Pro bundles over 20 tools into a single interface: disk cleaner, registry repair, startup manager, duplicate file finder, memory optimizer, uninstall manager, and more. For users who want a single application to handle all system maintenance rather than separate specialized tools, Glary offers strong coverage. The 1-Click Maintenance mode runs the most important modules sequentially for users who want a quick full pass. The registry cleaner in Glary is notably cautious and creates backups automatically. Find Glary Utilities Pro on Amazon
IObit Advanced SystemCare — Best Automated Cleaning
Advanced SystemCare from IObit is designed for users who want cleaning to happen in the background without manual intervention. The Auto Care feature runs scheduled optimization during idle time, clearing junk files and monitoring startup entries. The software also includes a real-time browser protection module that blocks trackers and ad scripts. At the subscription price, it provides a broad feature set, though the interface does display upsells for related IObit products. Users comfortable dismissing those prompts will find the core cleaning functionality reliable. Find IObit Advanced SystemCare on Amazon
How to Choose a Windows PC Cleaner
For most users, CCleaner’s free tier or BleachBit handles 90% of practical cleaning needs. Step up to a paid tool only if you need automation, more advanced registry management, or the convenience of a suite that replaces multiple standalone utilities. Avoid any cleaner that makes guarantees about dramatically improving performance or fixing a specific number of “errors” before you even run a scan — those are marketing claims, not technical realities. Always ensure a cleaner creates restore points or backups before making registry changes.
For related coverage, see our guide to best computer cleaner for Windows 10 for version-specific tips, and best computer cleaning for physical maintenance products. Our selection methodology is explained on the methodology page.
Frequently asked questions
Does cleaning the Windows registry actually improve performance?+
The performance benefit of registry cleaning is modest for most users. Modern Windows systems are not significantly slowed by registry bloat in typical use. Where registry cleaners provide more measurable value is in removing broken references from uninstalled programs, which can cause application errors. If you use a registry cleaner, choose one that creates a backup before making any changes, allowing you to restore if something breaks.
How often should I run a Windows PC cleaner?+
For most users, a monthly cleaning pass is sufficient. Heavy software developers, gamers who install and uninstall frequently, or users with limited storage (256GB or less) may benefit from weekly runs. Focusing on browser cache and temporary files provides the most consistent benefit. Full scans including registry and startup optimization are worth running quarterly rather than continuously.