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Optifabric Mod Wiki & Guide

Java EditionShaderGuides 4FAQ 10Related mods 48

⭐ New & recommended: Try OptiFine HD 9minecraft – an all-in-one pack that combines high-FPS performance, shaders, and OptiFine-style features (zoom, fullbright, connected textures, CEM) in a single easy installer. OptiFabric Mod is a mod that can be used to run OptiFine on Fabric.

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Contents (5)
  1. Guides
  2. Frequently asked questions
  3. Dependencies
  4. Gallery
  5. You May Also Like

Guides

Step-by-step, in-game.

Fixing OptiFabric Crashes and Mod Conflicts on FabricIdentify the conflicting mod OptiFabric works by patching OptiFine at runtime, so anything else that rewrites the…How to Run OptiFine Shaders on a Fabric ModpackInstall the shader support layer OptiFabric alone does not add shaders — it lets the official OptiFine jar load on…Improving Frame Rate with OptiFabric Without Losing VisualsStart with the high-impact settings Open Options → Video Settings . Reduce Render Distance first — it is the single…Using OptiFine Features in a Fabric World: Zoom, Fullbright and Connected TexturesControls you should bind first Open Options → Controls and look for the OptiFine key bindings. Bind Zoom to a mouse…

Frequently asked questions

How do I know OptiFabric is actually working?
Launch the game with Fabric and check the main menu or the mods list for OptiFine's own options button, which appears when OptiFabric has successfully loaded OptiFine. If you see the OptiFine settings screen and the zoom key works in-game, it's running.
Why does my game crash when I add OptiFabric to my modpack?
OptiFabric conflicts with other mods that patch the same rendering or entity code, most commonly Sodium, Iris, and other performance mods. Remove or replace the conflicting mods, since OptiFine and those alternatives cannot run together.
Can I use shaders with OptiFabric on Fabric?
Yes, OptiFabric loads OptiFine's shader engine, so you enable shaders through the OptiFine video settings menu and drop shader packs into the shaderpacks folder. Make sure no separate shader mod like Iris is installed alongside it.
How do I zoom in with OptiFabric?
OptiFine's zoom is bound to a key you can set in the controls menu, and holding it zooms the camera while you look around. If zoom doesn't work, OptiFine likely didn't load correctly through OptiFabric.

See all 10 Optifabric questions ›

Dependencies

Other mods needed to run this one.

Mm (required)