Window Optimizer

Automatically reduces Minecraft's resource usage when the game window is minimized or loses focus.

Features

Smart Performance Scaling: Automatically detects when Minecraft window is minimized or loses focus FPS Limiting: Reduces framerate to 1 FPS when window is inactive, saving CPU and GPU resources Memory Optimization: Performs periodic garbage collection during extended minimization periods Seamless Restoration: Instantly restores original performance when window regains focus Background Friendly: Perfect for multitasking - lets other applications use system resources Zero Configuration: Works out of the box with no setup required

How It Works

When you minimize Minecraft or switch to another application:

Framerate drops to 1 FPS Render processes are optimized Memory usage is reduced through smart garbage collection System resources are freed for other applications

When you return to Minecraft:

Original framerate is instantly restored Full performance returns immediately No noticeable delay or lag

Benefits

Better Multitasking: Work with other applications while Minecraft runs in background Reduced Power Consumption: Lower CPU/GPU usage saves battery life on laptops Cooler System: Less heat generation when game is minimized Smoother Experience: Other applications run better when Minecraft isn't consuming resources

Compatibility

Client-Side Only: No server installation required Minecraft Version: 1.16.5 Mod Loader: Minecraft Forge Performance Impact: Minimal when active, significant savings when minimized

Technical Details

Uses native window state detection Implements smart tick-based checking (every 2 seconds) Preserves original game settings and restores them automatically Includes error handling to prevent crashes Optimized for Windows systems

Performance Impact

Before

before

After

after

Installation

Download the mod from Modrinth Place the .jar file in your mods folder Launch Minecraft with Forge The mod works automatically - no configuration needed!

Important Notes

This mod only affects client-side performance Multiplayer servers continue running normally Single-player worlds are paused as usual when minimized No gameplay mechanics are affected

WindowOptimizer