Compatibility
Minecraft: Java Edition
1.20.1–1.20.2
1.19.2
Platforms
Supported environments
Client-side
Server-side
Client and server
Links
Tags
Creators
Details
Licensed MIT
Published 3 months ago
Updated 3 weeks ago
Optimally Optimized MC
Optimally Optimized MC is a lightweight, performance-first Fabric modpack built for one specific purpose: to maximize your frame rates and obliterate micro-stutters while keeping the vanilla Minecraft experience completely untouched.
Instead of just throwing random mods together and hoping for the best, this pack focuses on a carefully balanced setup that addresses the deepest bottlenecks in the modern Minecraft engine. It runs incredibly well on everything from low-end office laptops to high-end gaming rigs running heavy shader packs.
How This Pack Gains You FPS
Graphics Pipeline and Rendering Performance
- Sodium and Indium: Completely replace Minecraft's outdated rendering engine. By utilizing modern OpenGL features, they drastically cut down on CPU overhead and resource bottlenecking, giving you the largest single frame rate boost possible.
- Iris Shaders: Provides fully optimized shader pack compatibility, allowing you to run heavy graphical visual overhauls efficiently without tanking your system frames.
- Immediately Fast and Bad Optimizations: Target minor rendering inefficiencies in font systems, HUD elements, and lighting triggers. They stop the game from forcing redundant UI redraws, keeping frames stable during intense multiplayer gameplay.
- Entity Culling: Checks your player's line of sight and completely skips rendering any mobs, chests, or blocks hidden behind solid walls, instantly lowering the rendering strain on your hardware.
World Generation and Simulation Logic
- C2ME and Fast Noise: Multi-thread chunk generation across all available CPU cores and use highly speed-optimized mathematical algorithms. This completely eliminates the sudden lag spikes and freezes experienced when exploring the world at high speeds.
- Lithium: Optimizes the internal physics engine, chunk ticking logic, and mob AI routines. It lowers the processing strain on your CPU to boost singleplayer tick speeds (TPS) without changing how the game mechanics actually behave.
Memory and Engine Stability
- FerriteCore and Memory Leak Fix: Restructure internal data allocation to heavily reduce the game's baseline RAM footprint. They continuously clean up systems in the background to stop memory leaks from slowly degrading your performance during long play sessions.
- ModernFix: Patches deep-rooted engine bugs, corrects broken memory allocation models, and speeds up game launch times so you get into your world much faster.
Visuals and Quality of Life
- Continuity: Restores beautiful, fully connected glass and block textures without needing the bloat of OptiFine.
- Wavey Capes and 3D Skin Layers: Add fluid physics animations to player capes and dynamic 3D depth to skin overlays for a more modern look.
- Zoomify and Gamma Utils: Provide a highly configurable cinematic camera zoom and quick fullbright toggles to easily see in dark caves.
- e4all and LAN World Plug n Play: Let you host local singleplayer worlds directly to the public internet instantly so friends can join you without needing a dedicated server setup.
- No Chat Reports: Disables cryptographic signature telemetry tracking to protect your chat privacy across global multiplayer networks.


