ModsJava
Universal Optimization
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
🗸 Optimization of TPS and FPS. Limits the appearance of mobs. Disables entity collisions and the achievement system. Caches chunks to reduce microfreezes. Most of the functions are configured in the configuration. There are fan functions.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as universaloptimization-3.0.jar — drop this file into the mods folder
- Download size: 1.2 MB
- Download link checked 10 Oct 2026 — working
These come from our own check of the pack file, not from the source page.