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Lithium — Minecraft mod
by CaffeineMC
PerformanceFabric
Lithium optimizes the game's physics, mob AI, and block-ticking logic for a smoother experience, especially on busy servers and large farms. Crucially, it makes no gameplay changes — behavior stays 100% vanilla.
lithium-fabric-0.26.2+mc26.3.jar · 893 KB · Hosted on MineSpecs · no redirects, no ads
This file: Minecraft 26.3 · Fabric · Quilt
Licence: LGPL-3.0-onlyOriginal projectSource codeVersion mc26.3-0.26.2-fabric
SHA-1 dd5a4ec2c68d7601d8bce9076f789c55a5f8bef3
Identical to the release on Modrinth.
Category
Performance
Project loaders
Fabric
Project supports
1.16 – 26.3
Mod version
mc26.3-0.26.2-fabric
How to install Lithium
- 1This download is built for Minecraft 26.3 on Fabric or Quilt. Install one of those loaders for 26.3. Lithium as a project supports 1.16 – 26.3; for other versions get the matching file from the author’s official page.
- 2Download the Lithium .jar from the button above. It is hosted on MineSpecs, so there are no ad-gates or redirects.
- 3Drop the .jar into your .minecraft/mods folder (%appdata%\.minecraft\mods on Windows, ~/Library/Application Support/minecraft/mods on macOS).
- 4Launch Minecraft using the Fabric or Quilt profile. Lithium appears in your mod list once the game loads.
New to modding? How to install Fabric mods
More performance mods
SSodium ExtraExtra toggles for Sodium — fog, particles and more for even higher FPS.RReese’s Sodium OptionsA cleaner, more intuitive redesign of Sodium’s video-settings menu.FFerriteCoreCuts Minecraft’s memory usage dramatically — with zero gameplay changes.IImmediatelyFastSpeeds up immediate-mode rendering — smoother text, UI and items.DDynamic FPSReduces FPS and power draw when Minecraft is in the background.KKryptonOptimizes Minecraft’s networking stack for smoother multiplayer.
Lithium is developed by CaffeineMC and mirrored here under its LGPL-3.0-only licence. MineSpecs is an unofficial fan project and is not affiliated with CaffeineMC, Mojang Studios or Microsoft.