How to optimize Minecraft: best performance mods

Low FPS or lag? These free, open-source mods dramatically boost Minecraft performance — rendering, server tick, memory and more. Mix and match for your loader.

Client FPS (rendering)

Sodium Modern rendering engine — huge FPS gains and smoother frames.Iris Shaders Shader support built on Sodium, OptiFine-pack compatible.Entity Culling Skips rendering entities you can't see.FerriteCore Cuts memory usage with no gameplay change.ImmediatelyFast Speeds up immediate-mode rendering (HUD, text).

Server & world performance

Lithium General server-side optimization — physics, AI, ticking.C2ME Parallel chunk loading & generation for multi-core CPUs.Alternate Current Faster, lag-free redstone.Very Many Players Server optimizations for high player counts.

Memory & startup

ModernFix Faster load times, lower memory, bug fixes.LazyDFU Speeds up game startup.Krypton Optimizes Minecraft's networking stack.

FAQ

How do I increase FPS in Minecraft?

Install Sodium for rendering and Lithium for server-side logic. Together they give the biggest FPS boost with no gameplay change.

Does Sodium work with Forge?

Sodium targets Fabric/Quilt. On Forge/NeoForge use Embeddium, a Sodium fork for Forge.

Can I use Sodium with shaders?

Yes — install Iris Shaders on top of Sodium; it supports OptiFine-format shader packs.