Opti-Basic Fabric modpack page
- Downloads
- 1.1K
- Mod loaders
- fabric
- Minecraft versions
- 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21
- Categories
- lightweight, multiplayer, optimization
Opti-Basic Fabric screenshots

About this modpack
What Is Opti-Basic Fabric?
This is a modpack that I made to prioritise optimisation. It has some basic optimisation mods and is made for people that just want performance without much want for shaders or a better look.
What's Inside
A config screen API
A mod designed to improve the chunk performance of Minecraft
Culls leaf blocks
Fixes some bugs on the Minecraft bug tracker
Reduces resource usage while Minecraft is idle
Reduces FPS lag with block entities
Skips rendering things that you can't see
A library with essential hooks for fabric mods
Reduces the memory usage of Minecraft
Speeds up immediate mode rendering
No-compromises game logic/server optimization mod
- Modern Fix (v1.0.0-v1.0.10) and replaced with [ModernFix-mVUS](https://modrinth.com/mod/modernfix)
All-in-one mod that improves performance, reduces memory usage, and fixes many bugs
Changes how multiple types of culling are handled
Improves client performance on large multiplayer servers
A modern rendering engine for Minecraft
Adds some optimisation features that aren't in sodium
Rewrites the lighting engine to fix lighting performance and lighting errors
A configuration library for Minecraft
Why Use Opti-Basic?
This mod is for performance. If you just want good performance with no shaders (but the option to add more later), then this mod is for you.
Reviews: This modpack is always progressing and it would be great if you could give some feedback! Please submit a ticket in the discord and give us feedback on anything we could do better in the future. All feedback is welcomed.
Modpack wiki coverage
Orca uses the project's published metadata and version files as the source of truth. Item, block, mob, recipe, structure, dimension, GUI, and mechanic pages are added after their included mod files are extracted and attributed.