optimizerDuck

# [optimizerDuck](https://optimizerduck.vercel.app/) **optimizerDuck is a free, open-source Windows optimization tool built for performance, privacy, and simplicity.** [](https://github.com/itsfatduck/optimizerDuck/releases/latest) [](https://github.com/itsfatduck/optimizerDuck/releases) [](https://github.com/itsfatduck/optimizerDuck/stargazers) [](./LICENSE) [](https://discord.gg/tDUBDCYw9Q) [](https://github.com/itsfatduck/optimizerDuck/actions/workflows/ci.yml) [](https://dotnet.microsoft.com/en-us/download) [](https://www.microsoft.com/en-us/software-download/) **[Getting Started](https://optimizerduck.vercel.app/docs/guides/getting-started) | [How It Works](https://optimizerduck.vercel.app/docs/guides/how-it-works) | [FAQ](https://optimizerduck.vercel.app/docs/faq/general)** **English** | [Tiếng Việt](README.vi.md) | [繁體中文](README.zh-TW.md) | [简体中文](README.zh-CN.md) ⭐ Star History If optimizerDuck helped improve your PC, consider giving the repo a ⭐ and sharing it with others. Every star helps motivate future improvements.

Quick Start

1. Download from GitHub Releases
2. Run the .exe directly, no installation required
3. Choose the optimizations you want, apply them, and restart your PC when you're ready

[!TIP]
Always create a system restore point before making changes.

[!NOTE]
Available in English, Vietnamese, Traditional Chinese (contributed by @abc0922001), and Simplified Chinese (contributed by @wcxu21).
Want to add your language? See CONTRIBUTING.md.

What optimizerDuck Does

Windows ships with a lot of things you may not need: background services, telemetry, pre-installed apps, startup programs, and scheduled tasks that eat resources. optimizerDuck gives you a single interface to clean all of that up.

It applies targeted system tweaks to reduce overhead and block unwanted behavior, and bundles several management tools so you can see what is running, remove what you do not want, and revert any change if something goes wrong.

[!NOTE]
Every optimization can be applied manually. optimizerDuck just makes it easier for you to apply these optimizations.

System Optimizations

Over 30 tweaks across 6 categories, each with a clear description and risk rating so you know exactly what each change does before applying it.

[!IMPORTANT]
If you feel like there aren't many optimizations, don't assume they are ineffective or outdated. optimizerDuck focuses only on optimizations that have been tested, benchmarked, or widely trusted by the community. Some changes may not produce immediately noticeable differences, but they can still help your system run more smoothly and reliably over time.

Feature Toggles

Flip Windows settings on or off without digging through the registry or searching for guides online. Organized into four sections:

• Desktop: Show or hide icons (This PC, Recycle Bin, Network, User Files, Control Panel), remove shortcut arrow overlays
• Taskbar: Center or left alignment, toggle widgets, Task View button, End Task button, clock seconds, and Bing search in Start
• Explorer: File extensions, hidden files, clipboard history, compact view, snap assist, item checkboxes, classic context menu, and more
• Gaming: Game Mode, Game Bar, background recording, mouse acceleration, fullscreen optimizations, hardware-accelerated GPU scheduling
• System: Enable Num Lock on boot

Built-in Tools

Safety

We know changing system settings carries risk, so the tool is built around reversibility and user control.

See the Privacy Policy for details on our data practices.

• Automatic backups: Every change writes a revert file to a local folder. You can restore individual tweaks or roll back everything
• One-click revert: Undo any applied optimization from the UI with a single click
• Risk ratings: Each tweak is labeled Safe, Moderate, or Risky based on its potential impact
• No defaults applied: Nothing runs until you select it. The tool does not enable anything on its own
• Restore point prompt: Before your first optimization, the app suggests creating a Windows restore point

Technical Details

• Framework: WPF on .NET 10, using the WPF UI library for Fluent design
• Revert system: Four revert step types (Registry, Service, Scheduled Task, Shell) with JSON-persisted state and thread-safe file I/O
• Theming: Dark (default), Light, and High Contrast modes with Mica backdrop support
• No installer: Runs as a single .exe, no installation required
• Backup system: Local folder-based backup for every change, with one-click restore
• Discovery: Optimization and Feature categories are discovered automatically via reflection + custom attributes, no manual registration needed
• No telemetry: The app does not collect any user data

Documentation

Official Documentation

Step-by-step guides, detailed breakdowns of each optimization, and best practices for using optimizerDuck.

Contribute

We welcome contributions from the community! Whether you're fixing bugs, adding new optimizations or features, improving documentation, or helping translate the app into other languages, your support is greatly appreciated.

For more information, please see CONTRIBUTING.md.

Community

[!TIP]
Join our Discord server for support, tips, and discussions with other users and contributors.

<a href="https://discord.gg/tDUBDCYw9Q">

</a>

If optimizerDuck helped your PC:

• ⭐ Star the repo
• 💬 Join Discord for support
• 🐞 Report bugs on GitHub
• 🎁 Support the project here

Links

• 🌐 Website
• 📖 Documentation
• 💬 Discord
• 🐞 Issues

Every contribution helps. Bug reports, feature suggestions, translations, and sharing your experience all matter.

Disclaimer

optimizerDuck is provided "as is", without warranty of any kind.

By using this tool, you agree that the authors are not liable for system instability, data loss, or issues caused by third-party software or user modifications.

Always create a restore point before applying changes.

[!NOTE]
optimizerDuck modifies system settings and the Windows registry. Use at your own risk. We recommend backing up important data and creating a restore point before making changes.

See Terms of Service, Privacy Policy, and Disclaimer for more information.

License

**[GPL v3 License](https://www.gnu.org/licenses/gpl-3.0.en.html)**See [LICENSE](./LICENSE).