Installation • Features • Use Cases • Screenshots • Contributing
Universal Minecraft Launcher is a free, open-source Minecraft launcher built for advanced client-side customization, modular extensions, and deep runtime configuration.
The project focuses on giving users full control over their client environment without permanently modifying the base game files. Everything is modular, reversible, and transparent.
This launcher is intended for users who want to explore the limits of client customization, experiment with behavior, visuals, and performance, and build their own extended setups.
The launcher is built around several key principles:
- The client environment belongs to the user
- Customization should be flexible and optional
- Extensions must be modular and isolated
- Experimentation should be safe and reversible
- Transparency is mandatory
Universal Minecraft Launcher does not enforce a predefined experience. Instead, it provides a foundation that adapts to different needs and workflows.
The launcher includes a built-in system for loading independent client-side modules at runtime.
- Dynamic enable / disable without reinstalling
- No permanent modification of game files
- Clean separation between core and extensions
- Ideal for testing and experimentation
Universal Minecraft Launcher provides a controlled runtime layer that allows advanced interaction with the client process during startup and execution.
This makes it possible to:
- Attach custom logic dynamically
- Adjust client behavior at runtime
- Explore internal systems in a controlled environment
All actions remain local and fully visible to the user.
Create and manage multiple isolated profiles:
- Separate Minecraft versions
- Independent runtime settings
- Profile-specific extensions
- Custom JVM and startup parameters
Switching between environments takes seconds.
The launcher includes tools for fine-grained tuning:
- Memory and CPU allocation
- Rendering behavior adjustments
- Visual overlays and interface tweaks
- Optimized startup configuration
Designed to scale from minimal systems to high-performance setups.
The UI is focused on clarity and speed:
- Minimalistic layout
- Logical navigation
- Real-time status indicators
- Integrated logs and diagnostics
No unnecessary elements. Everything serves a purpose.
Universal Minecraft Launcher adapts to many workflows:
- Experimental client builds
- Development and testing of client-side extensions
- Custom visual or performance-focused setups
- Multiple isolated environments
- Educational exploration of client behavior
The launcher provides tools — usage is defined by the user.
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- Open the Releases section of this repository
- Download the latest build for your platform
- Extract the archive to any directory
- Run the launcher executable
- Create a profile and select a game version
- Adjust settings and launch
No external dependencies required.
Universal Minecraft Launcher is fully open-source.
- No hidden logic
- No background processes
- No forced updates
- No data collection
Users are encouraged to inspect the code, build custom extensions, and contribute improvements.
This project is intended for educational, experimental, and customization purposes.
All configurations and extensions are applied locally.
Users are responsible for how they configure and use their client environment.
Contributions are welcome:
- Core improvements
- UI and UX enhancements
- Documentation
- Example extensions
- Performance optimizations
Issues and pull requests are always open.
Universal Minecraft Launcher is not just another launcher.
It is a platform for control, experimentation, and exploration.
If you believe the client should adapt to the user — this project was built for you.