Open Source Windows PC Cleaners
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PC Cleaners for Windows
View 67 business solutionsBrowse 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
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. -
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Win11Debloat
A simple, easy to use PowerShell script to remove pre-installed apps
Win11Debloat is an open-source PowerShell script designed to remove unnecessary apps, services, and features from Windows 10 and Windows 11. It helps users quickly declutter their system by uninstalling preinstalled bloatware and disabling unwanted background services. The tool also focuses on improving privacy by turning off telemetry, tracking features, and targeted advertisements built into Windows. In addition to removing apps, Win11Debloat provides options to customize system behavior, appearance, and taskbar settings. The script can be run through an easy interactive menu or with command-line parameters for automated setups. With its wide range of customization options, Win11Debloat is useful for both everyday users and system administrators who want a cleaner and more controlled Windows environment. -
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Tiny 11 Releases
Automated tools for creating streamlined Windows 11 images with CI/CD.
Tiny11 Automated Builder: Build Tiny11, Build Tiny11 Core and Build Nano11 Automated tools for creating streamlined Windows 11 images with CI/CD support. 📋 Overview Tiny11 Automated Builder provides PowerShell scripts to create minimized Windows 11 ISO images by removing bloatware, disabling telemetry, and optimizing system components. -
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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. -
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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. -
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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! -
7
GTweak
Portable Tool for an Ideal Windows Setup
GTweak is a Windows optimization and customization utility designed to give users deep control over system behavior, privacy, and performance. It provides a wide range of tools to disable unnecessary services, reduce telemetry, and streamline the operating system for better efficiency. The software allows users to modify system settings that are typically hidden or difficult to access, making advanced tweaks more accessible. GTweak also includes features for removing pre-installed apps, managing updates, and customizing the Windows interface. It is particularly focused on privacy, enabling users to disable tracking, data collection, and background services from Microsoft and third parties. Overall, GTweak serves as an all-in-one toolkit for debloating, securing, and optimizing Windows environments. -
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UnattendedWinstall
Personalized Unattended Answer Files that helps debloat Windows 10
UnattendedWinstall is a collection of Microsoft Unattend XML answer files designed for customized, unattended Windows installations. It automates OS deployment, debloating, and configuration changes (like disabling telemetry, removing default apps, registry tweaks) during initial setup. Designed to streamline clean installs of Windows 10/11 with preconfigured preferences and optimizations. -
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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 -
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Windows Memory Cleaner (WMC)
Free RAM cleaner uses native Windows features to optimize memory areas
Windows Memory Cleaner (aka WMC or WinMemoryCleaner) is a lightweight, portable Windows utility designed to optimize system memory using native Windows API functions. It provides a transparent and user-friendly interface for freeing up RAM that is often held unnecessarily by cached data or inefficient processes. Unlike many “RAM booster” tools, it relies entirely on documented system methods rather than hidden tricks or unsafe optimizations. The application can automatically clean memory based on time intervals or when available RAM drops below a defined threshold. It also supports both GUI usage and command-line automation, making it suitable for everyday users and advanced workflows alike. Overall, WinMemoryCleaner focuses on improving system responsiveness and performance, especially on machines with limited memory resources. -
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ET-Optimizer
ET is a powerful application to improve performance
ET-Optimizer is a performance optimization tool designed to enhance system responsiveness and efficiency by applying targeted configurations and tweaks to operating system settings and background processes. It focuses on improving performance in specific use cases such as gaming or real-time applications where latency and system overhead are critical factors. The tool typically includes scripts or automated routines that adjust system parameters, disable unnecessary services, and optimize resource allocation. It is designed for users who want to fine-tune their environment without manually modifying numerous system settings. The project emphasizes ease of use by bundling optimizations into a streamlined workflow that can be applied quickly. It also serves as a reference for understanding how different system configurations impact performance. -
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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! -
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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. -
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Sparkle
A Windows app to debloat and optimize your PC
Sparkle is a Windows application that helps you remove Microsoft bloat and apply tweaks, such as disabling telemetry, turning off Copilot, applying NVIDIA optimizations for gaming, and removing OneDrive. It also includes a built-in Winget and Chocolatey app installer, with new apps added frequently. Sparkle features a Utilities page where you can run Disk Cleanup, view your system information, or restart your graphics drivers. SUPPORT THE DEVELOPER: https://buymeacoffee.com/dogecraft -
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NVCleanstall
Custom NVIDIA driver installer: skip telemetry, GFE, bloat, etc.
NVCleanstall lets you customize the NVIDIA GeForce Driver package by removing components that you don't need (or want). This not only keeps things tidy, but also lowers disk usage and memory footprint. Unlike the NVIDIA custom installation, you can unselect packages like "Stereo 3D Glasses", "USB-C", Notebook Optimizations or Telemetry from the NVIDIA drivers. -
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CrapFixer
Fixes the crap Windows leaves behind
CrapFixer is a lightweight Windows cleanup and tweaking toolbox aimed at removing or reducing the everyday “junk” Windows accumulates, while keeping changes understandable and reversible. It’s positioned as a fast, no-fluff utility that focuses on practical fixes rather than turning into an overstuffed “optimizer” suite. The workflow is deliberately simple: you analyze your system, review what’s flagged, and then apply recommended changes with a single action. It distinguishes between items that are recommended to fix and items that are already optimized, helping you avoid unnecessary changes. The project emphasizes safety by making most tweaks undoable, and it supports running with administrator privileges when deeper changes (like certain registry locations) are required. For users who want more clarity, it includes a help lookup per tweak and offers log review so you can understand what happened and share results for troubleshooting. -
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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. -
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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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Windows 11 Fixer
A tool to "Fix" Windows 11
Windows 11 Fixer is a community-oriented Windows utility intended to centralize a wide range of customization, cleanup, and configuration tasks for Windows 11 into one user-friendly interface. It gives users a single place to tweak visual components like the taskbar and File Explorer, adjust system settings including privacy and security options, and uninstall unwanted default software that many consider bloatware. In addition to settings adjustments, the tool can automate the removal of applications such as Cortana or Edge, and also offers options to install commonly used third-party applications directly from within its UI. The application emphasizes ease of use, pulling together many tweaks that would otherwise require manual registry edits or piecemeal scripts, and it typically shows reminders when a reboot or process restart is needed for changes to take effect. -
20
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;) -
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Roblox Ping Optimizer
Roblox Ping Optimizer ping, safe & clean, no exploits. Enhance!
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22
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. -
23
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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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. -
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PrivaZer
PC cleaning and privacy-tool
PrivaZer is a PC cleaning and privacy-tool designed to help users deeply cleanse their computers of unwanted traces, thereby safeguarding data and freeing up disk space. It not only removes browser histories, cookies, temporary files and logs, but also detects residual traces in free space, file tables and indexing services to prevent any chance of recovery. Its smart algorithms automatically detect whether the storage medium is magnetic disk or SSD and adjust overwriting techniques accordingly, for secure and efficient erasure. With a one-click interface, the software visualizes what remains of past activity and lets users decide what to erase or keep. It supports scheduling cleanups and live free-space monitoring, making it a proactive privacy maintenance tool. The result is a cleaner, leaner PC environment with enhanced privacy and improved performance.
