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PC Cleaners for Windows

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Browse free open source PC Cleaners and projects for Windows below. Use the toggles on the left to filter open source PC Cleaners by OS, license, language, programming language, and project status.

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  • 1
    WinUtil

    WinUtil

    Chris Titus Tech's Windows Utility - Install Programs, Tweaks, Fixes

    WinUtil by Chris Titus Tech is a comprehensive Windows utility script designed to automate system maintenance, streamline software installations, and apply performance tweaks. It focuses on debloating Windows, fixing update issues, and configuring various system optimizations to enhance user experience. The tool requires running PowerShell with administrator privileges to perform system-wide changes safely and effectively. WinUtil is modular and maintained as multiple scripts compiled into a single executable PowerShell script for ease of use and development. It offers a robust developer workflow with clear contribution guidelines and an active Discord community for support. The project prioritizes clean, efficient code and careful review of contributions to maintain stability. WinUtil is widely popular with thousands of stars and contributors, reflecting its reliability and usefulness in Windows system management.
    Downloads: 395 This Week
    Last Update:
    See Project
  • 2
    Hellzerg Optimizer

    Hellzerg Optimizer

    The finest Windows Optimizer

    Advanced configuration utility that helps you restore your privacy and increase your security. Optimizer is recommended after a fresh, clean installation of Windows to achieve maximum privacy and security. Depending on your version of Windows, Optimizer will also allow you to perform some specific tweaks.
    Downloads: 135 This Week
    Last Update:
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  • 3
    Win11Debloat

    Win11Debloat

    A simple, easy to use PowerShell script to remove pre-installed apps

    Win11Debloat is a Windows 10/11 PowerShell toolkit designed to streamline and automate the 'debloating' process—removing unwanted preinstalled apps, disabling telemetry, and tweaking system settings. It supports both interactive and silent modes and is popular among sysadmins and privacy-focused users.
    Downloads: 75 This Week
    Last Update:
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  • 4
    Temp_Cleaner GUI

    Temp_Cleaner GUI

    A free and open-source program to free up disk space

    While most of us tend to ignore them, the truth is that browser history, cookies and cache take quite a lot of space on the disk. Deleting them does not only help you gain storage space, but it can also speed up the PC. Temp_Cleaner GUI Project is a simple and straightforward utility that enables you to clean your Windows-based computer of junk and obsolete files. The app comes with a single-window interface packed with a huge list of options. As you probably hinted, all you need to do is select the areas where you prefer the app to clean temporary files. In addition to browsers, the app also includes directories that are generally skipped when doing maintenance on the PC, such as Systemdrive Recycle Bin, Windir, Windows 10 Modern Application Cached data, Action Center, Notification Center Cached data, or Icon Cache file in the Local app data folder, just to name a few. At the same time. ⚠ Attention existing users: Please update your copy of Temp_Cleaner GUI to latest version!
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    Downloads: 1,065 This Week
    Last Update:
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  • 5
    Windows Cleaner Utility

    Windows Cleaner Utility

    A windows batch script that cleans your PC from temporary files

    A Windows batch script that cleans your PC from temporary files. If you've been a Windows user for a long time without cleaning it up, or you don't know how to clean it, you will be amazed of how much space this tool can free for you! Just download "WindowsCleanerUtility.bat" or "WindowsCleanerUtility-x86_64.exe" from Releases and right click on it and select run as administrator. Choose any option from the meun provided.
    Downloads: 36 This Week
    Last Update:
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  • 6
    RyTuneX

    RyTuneX

    RyTuneX is a cutting-edge optimizer built with the WinUI 3 framework

    RyTuneX is a comprehensive Windows-system optimization tool aimed at users who want to enhance performance, privacy and usability on systems running Windows 10 (20H1 +) and Windows 11. It is built using the WinUI 3 framework and .NET 8 to provide a modern, responsive interface and native Windows look and feel. The application lets users “debloat” their system by removing pre-installed apps and Windows features that may be unnecessary or resource-heavy, helping free up resources and storage. It also offers system tweaks to improve responsiveness, reduce background overhead, and optimize system settings for gaming or heavy usage workflows. Privacy enhancements are part of its core offering: toggles for telemetry, data-collection features, background apps and more give users greater control over what their OS is tracking or doing under the hood.
    Downloads: 34 This Week
    Last Update:
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  • 7
    HFV (Hidden Folder Virus) Cleaner Pro

    HFV (Hidden Folder Virus) Cleaner Pro

    A Small Utility programmed to destroy Win32:Atraps-PZ[Trojan]

    Many a times when we connect our PenDrive to a PC or Laptop, wedon't see our files and folders, instead see one or multiple shortcuts. Assuming these shortcuts as innocent, we launch them which in turn infects our PC or laptop with a virus which the geeks call Win32:Atraps-PZ[Trojan] Simply speaking, the shortcut creates a backdoor to your system so that it can access all your files,services and privileges within that system & all others connected to it without your permission. This is where HFV comes to help...Simply paste the location of your Infected directory on the box & click Delete virus to get rid of virus. As a safety precaution, keep this software backed up on system as well since the virus which hides all files and creates a shortcut can also hide this software as well. P.S.It can also be used to hide your private data from Neighbors and Roommates;)
    Downloads: 84 This Week
    Last Update:
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  • 8
    SpeedFan

    SpeedFan

    SpeedFan is an advanced system monitoring tool

    SpeedFan lets you take a deeper view at the status of your computer. Almost every computer includes support for hardware monitoring. Accessing digital temperature sensors is really useful. If you are trying to figure out why your PC hangs when under heavy load or after some hours of usage, SpeedFan might help you find the real cause. Very often it is a poor power supply, or an improperly installed heatsink that lead to behaviours that we tend to associate (incorrectly) with errors from the operating system. SpeedFan automatically searches your computer for informative chips: the hardware monitor chips. SpeedFan can display voltages, fan speeds and temperatures. On rare occasions, the BIOS doesn't activate such features. SpeedFan tries to enable them as long as this is a safe thing to do. Not only the motherboard is searched, but also some video cards and almost every currently sold hard disk. SpeedFan can access status info from EIDE, SATA and even SCSI drives
    Downloads: 207 This Week
    Last Update:
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  • 9
    Sadeaner

    Sadeaner

    Sadeaner is a good tool for cleaning up the PC

    Sadeaner is a powerful and efficient tool for cleaning your PC. It offers a wide range of useful functions, such as the ability to remove unnecessary files and folders, free up valuable disk space, and improve the overall performance of your system. This makes it an excellent choice for gamers, as it can help to free up resources and improve the performance of games. Additionally, Sadeaner will also include advanced features such as a registry cleaner, startup manager, and browser cleaner, which can help to keep your system running smoothly and efficiently.
    Downloads: 8 This Week
    Last Update:
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    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

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  • 10
    MSI Afterburner

    MSI Afterburner

    MSI Afterburner: Overclock, monitor, and optimize your GPU.

    MSI Afterburner is the world's most recognized and widely used graphics card overclocking utility. It provides a comprehensive suite of tools for gamers and PC enthusiasts to enhance their graphics card's performance and monitor its health. With MSI Afterburner, users can overclock their GPU to achieve higher frame rates in games, undervolt to reduce power consumption and heat, and customize fan curves for optimal cooling. The software also includes an on-screen display (OSD) feature that overlays real-time statistics directly onto games, allowing users to keep track of their system's performance without minimizing their applications. Furthermore, MSI Afterburner supports video recording, enabling users to capture their gameplay or overclocking sessions with ease. Its compatibility with all major graphics card brands makes it an indispensable tool for anyone looking to push their hardware to the limit.
    Downloads: 198 This Week
    Last Update:
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  • 11
    Recuva

    Recuva

    Recover your deleted files quickly and easily.

    Accidentally deleted an important file? Lost files after a computer crash? No problem - Recuva recovers files from your Windows computer, recycle bin, digital camera card, or MP3 player!
    Downloads: 106 This Week
    Last Update:
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  • 12
    Sparkle – Windows Optimizer

    Sparkle – Windows Optimizer

    A fast and modern app to optimize, debloat, and clean up your Windows

    ✨ Sparkle – The Ultimate Windows Optimization Tool Sparkle is a modern, open-source utility that helps you debloat, optimize, and clean your Windows PC in just a few clicks. Whether you’re a power user or just looking to give your system a speed boost, Sparkle offers a sleek and easy-to-use interface for managing system tweaks, removing bloatware, clearing temp files, and more. 💡 Why Sparkle? Minimalist & intuitive UI Backed by powerful PowerShell scripts Built-in Winget app installer Full system tweaks with backup & revert functionality Developed using modern technologies (React, Electron, JavaScript) GitHub - https://github.com/Parcoil/Sparkle
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    Downloads: 47 This Week
    Last Update:
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  • 13
    Performance Maintainer

    Performance Maintainer

    cleans registry, cleanup disk, defrag drive

    Performance Maintainer has combined open source tools such as Little Registry Cleaner, Bleachbit and Ultradefrag that run periodically for PC maintenance and performance. It is very simple and automated 1.Little Registry Cleaner Scan and Cleans the registry, 2.Bleachbit Performs Disk Cleanup 3. Ultradefrag defragments System Drive. The Programs also allows to install additional tools for tweaking and better performance. The installer schedules the program to run according to your requirement. Requires .NET Framework 3.5 sp1.
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    Downloads: 43 This Week
    Last Update:
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  • 14
    Roblox Ping Optimizer

    Roblox Ping Optimizer

    Roblox Ping Optimizer ping, safe & clean, no exploits. Enhance!

    🚀 Roblox Ping Optimizer- Created by Akash Siddique! 🎮 🔥 Fresh Update: Sleek New Modern UI! ⚡ Boost Your Gameplay Experience! Elevate your Roblox sessions with ultra-fast responses and optimized performance. Conquer the virtual world smoother and faster than ever. Join the revolution and take your gaming to the next level! 🌟 Why Choose Roblox Ping Booster? Unleash your gaming potential with just one click! 🚀
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    Downloads: 145 This Week
    Last Update:
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  • 15
    GameMode

    GameMode

    Optimise Linux system performance on demand

    GameMode is a daemon/lib combo for Linux that allows games to request a set of optimizations be temporarily applied to the host OS and/or a game process. GameMode was designed primarily as a stop-gap solution to problems with the Intel and AMD CPU power save or on-demand governors but is now host to a range of optimization features and configurations.
    Downloads: 5 This Week
    Last Update:
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  • 16
    CCleaner

    CCleaner

    Clean up, speed up, and optimize your PC

    CCleaner is a trusted PC optimization tool for Windows or Mac designed to clean, speed up, and secure your computer. It removes junk files, temporary data, and broken settings that slow down system performance over time. The software includes powerful modules like Performance Optimizer, Driver Updater, and Cloud Drive Cleaner, helping you reclaim storage space and improve efficiency. With a simple interface, it provides one-click solutions for beginners while also offering advanced features for power users. CCleaner enhances privacy by deleting browsing traces, cookies, and trackers across major web browsers. Backed by over 20 years of experience and trusted by millions worldwide, it remains one of the leading tools for maintaining a faster and healthier PC.
    Downloads: 70 This Week
    Last Update:
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  • 17
    Mem Reduct

    Mem Reduct

    Mem Reduct is a lightweight tool to monitor and optimize PC memory

    Mem Reduct utility – a real-time memory management tool designed to monitor and optimize system memory usage on your computer
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    Downloads: 52 This Week
    Last Update:
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  • 18
    Cleaner PRO

    Cleaner PRO

    Simple Windows cleanup utility

    Cleaner PRO is a universal utility for cleaning Windows.
    Downloads: 2 This Week
    Last Update:
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  • 19
    auto-cpufreq

    auto-cpufreq

    Automatic CPU speed & power optimizer for Linux

    Automatic CPU speed & power optimizer for Linux. Actively monitors laptop battery state, CPU usage, CPU temperature, and system load, ultimately allowing you to improve battery life without making any compromises.
    Downloads: 2 This Week
    Last Update:
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  • 20
    Reg Organizer

    Reg Organizer

    Maintenance, Cleanup and Optimization for Windows

    Reg Organizer is a comprehensive system optimization tool designed to streamline and enhance the performance of Windows PCs. It combines a variety of utilities to clean, repair, and optimize the Windows registry, manage startup programs, and free up disk space. Reg Organizer empowers users to fine-tune their system settings, improve boot times, and identify unnecessary files and programs, ensuring a faster and more efficient computer. With its intuitive interface and powerful features, it is a reliable choice for users looking to maintain a clean, stable, and high-performing system.
    Downloads: 29 This Week
    Last Update:
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  • 21
    Junkware Removal Tool (JRT)

    Junkware Removal Tool (JRT)

    Remove junkware from your PC

    Junkware Removal Tool (JRT) is a free security utility for Microsoft Windows. It scans for and removes unwanted programs, including adware, toolbars, and potentially unwanted programs (PUPs). JRT also removes any traces of these programs from your registry and other places where debris accumulates. JRT is a stand-alone tool that doesn't require installation. To remove JRT, you can manually delete the icon on your desktop by right-clicking on it and choosing delete.
    Downloads: 26 This Week
    Last Update:
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  • 22
    PWin11 Tweaker

    PWin11 Tweaker

    Tweaker for Windows 11

    PWin11 Tweaker is a lightweight, open-source utility that allows you to tweak various aspects of Windows 11 without delving into complex system settings or third-party software. With a focus on performance optimization, system cleanup, privacy protection, and interface customization, this tool simplifies the process of tailoring your OS to your specific needs. The intuitive navigation and responsive design make it accessible to everyone, while advanced options cater to tech enthusiasts.
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    Downloads: 46 This Week
    Last Update:
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  • 23
    Windows Debloater

    Windows Debloater

    Get rid of unnecessary applications that come with Windows!

    Get rid of the unnecessary applications that come with Windows and use the performance tools! Supported Languages: English, Turkish, German, Russian SYSTEM REQUIREMENTS CPU: 1GHZ any CPU. RAM: 512MB or higher. OS: Windows 10 or newer operating system.(64Bit) Connection: 512 KBPS or faster Internet connection.
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    Downloads: 48 This Week
    Last Update:
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  • 24

    Windows 7 Booster

    Boost your Windows 7 with only few clicks !

    Version 1.6 Brings new Design, many fixes and almost 50% reduction in CPU consumption. Lightweight and portable application that beginners and advanced users may tinker with to tweak system settings and improve overall performance. Protect your online privacy and keep your computer secure. A single file that can easily be transferred To boost any PC at will, with low CPU and RAM consumption. - Clean Up your PC Clean all your unnecessary files that will hog your system over time. Temporary files, Windows Cache, Error reports, Old Prefetched Data, Crash Dumps, Recent Files, Software Distribution, Recycle Bin, Font Cache, Memory Dumps, Mini Memory Dumps.Chrome, Firefox, Maxthon, Opera, Internet Explorer supported. - Turn Off Unnecessary Windows Servers - Tweak Your Windows For Best Performance - 100% Spyware FREE Windows 7 Booster does NOT contain any Spyware, Adware, Viruses or even Advertisement.
    Downloads: 8 This Week
    Last Update:
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  • 25
    CleanWindowsPro

    CleanWindowsPro

    Optimize Windows system performance and stability with this script

    This Windows clean-up project provides a streamlined and straightforward approach to optimizing your system. In addition to clearing up space, it also features a DNS server-changing capability. While this tool is intended to be used as a supplementary tool to clean up your Windows environment, it should not be considered a substitute for a full-featured tool. Though it provides basic features that can improve your system's performance, it lacks the advanced capabilities that comprehensive software can offer. With this tool, you can efficiently keep your Windows environment clean while enjoying the convenience of the DNS server-changing capability.
    Downloads: 1 This Week
    Last Update:
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