
Java Optimized
Maximum FPS, lower RAM usage, faster loading, vanilla gameplay. Free Minecraft Java modpack for 1.21.1.
⬇ Download on Modrinth
Java Optimization Pack
Java Optimization Pack is a lightweight Minecraft modpack designed to maximize performance without changing the vanilla experience.
It combines the best performance, memory optimization, and bug-fixing mods with carefully tuned configurations to deliver smoother gameplay, faster loading times, lower RAM usage, and significantly higher FPS.
Base FPS Benchmark (Showcase)
Average FPS: 280.3 Maximum FPS: 746.8 Benchmark Configuration
Preset: Default Render Distance: 32 Chunks Simulation Distance: 12 Chunks Graphics: Fancy VSync: Off FPS Limit: Unlimited Test System
GPU: NVIDIA GeForce RTX 2070 SUPER CPU: 8 Logical Cores Operating System: Windows 11 Java: 21.0.11 Maximum Heap: 4096 MB Notes
Performance results were recorded using the default benchmark settings above. Actual FPS may vary depending on hardware, drivers, shaders, resource packs, and Minecraft version.
- Downloads as Java Optimized 1.0.0.mrpack java.mrpack
- Download size: 12 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.