Performance 1.21.1

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.

A modern shader pack loader for Minecraft intended to be compatible with existing OptiFine shader packs

Using async path-tracing to hide Block-/Entities that are not visible

Memory usage optimizations

No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.

Speed up immediate mode rendering in Minecraft

Emissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for Fabric

EMF is an, OptiFine format, Custom Entity Model replacement mod available for Fabric and Forge.

All-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite performance mods!

A mod that changes how multiple types of culling are handled in order to improve performance

Enhance your Minecraft with one simple mod. Host worlds for free, chat with friends, and so much more!

Optimization mod that focuses on things other than rendering

Clumps XP orbs together to reduce lag

Allows for entity sound variation using OptiFine format property rules

NeoForge Port of Mod Menu