CurseForge · Minecraft mod
OptiMix
OptiMix is a Mixin-based Fabric client optimizer with 5 toggleable features: particle limiting, chunk throttle, animation optimization, memory cleanup, and FPS stabilization. Auto-adapts to Sodium, Lithium, ModernFix. Supports 6 languages.
Quick answer
Which OptiMix release matches 1.20.1 Forge?
optimix-1.2.0-mc1.20.1-forge.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is OptiMix required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does optimix-1.2.0-mc1.20.1-forge.jar need?
optimix-1.2.0-mc1.20.1-forge.jar on 1.20.1 Forge. Every mod below is checked against that same setup.
Install Cloth Config API (Fabric/Forge/NeoForge) first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add OptiMix without breaking your instance.
Built for optimix-1.2.0-mc1.20.1-forge.jar on 1.20.1 Forge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use optimix-1.2.0-mc1.20.1-forge.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Cloth Config API (Fabric/Forge/NeoForge) first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside optimix-1.2.0-mc1.20.1-forge.jar. It opens that exact file at the source.
About this project
What does OptiMix add?
OptiMix is a Mixin-based Fabric client optimizer with 5 toggleable features: particle limiting, chunk throttle, animation optimization, memory cleanup, and FPS stabilization. Auto-adapts to Sodium, Lithium, ModernFix. Supports 6 languages.
Project description from CurseForge.
Pick your setup
OptiMix by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
1 loader build1.21.11
1 loader build1.21.1
1 loader build1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
OptiMix versions and loaders
optimix-1.2.0-beta.jar
optimix-1.2.0-mc1.20.1-forge.jar
2 Sept 2026
optimix-1.2.0-mc1.20.1-forge.jar
2 Aug 2026
Looking for an older file? The official CurseForge project page is in Resources.