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CurseForge · Minecraft mod
- FPS Booster - Lag Killer
powerful client-side performance FPS booster
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which - FPS Booster - Lag Killer release should I use?
Latest stable file fps-booster-fabric-26.2.jar
Game version 26.2
Loader Fabric
- FPS Booster - Lag Killer fps-booster-fabric-26.2.jar targets 26.2 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is - FPS Booster - Lag Killer required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
The source does not explicitly classify this release as client-only or server-only.
What else does - FPS Booster - Lag Killer fps-booster-fabric-26.2.jar need?
fps-booster-fabric-26.2.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add - FPS Booster - Lag Killer without breaking your instance.
Built for - FPS Booster - Lag Killer fps-booster-fabric-26.2.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use fps-booster-fabric-26.2.jar. It targets 26.2 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside fps-booster-fabric-26.2.jar. It opens that exact file at the source.
About this project
What does - FPS Booster - Lag Killer add?
Entity Render Culling – skips rendering distant entities, reduces shadows & animations
Block Render Culling – skips rendering distant heavy blocks like chests, signs, banners, and spawners.
Particle Limits – limits particles and dynamically scales them based on FPS.
Chunk Render Optimizer – throttles chunk rebuilds to prevent sudden frame drops.
Memory Optimizer – monitors memory and triggers smart garbage collection to avoid lag spikes.
Fully Configurable – every system can be enabled/disabled with clear, easy-to-edit settings.
Works on any server, with any modpack, without affecting gameplay mechanics or causing conflicts.
Project description from CurseForge.
Pick your setup
- FPS Booster - Lag Killer by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.11-snapshot
2 loader buildsMinecraft version
1.21.11
2 loader buildsMinecraft version
1.21.10
2 loader buildsMinecraft version
1.21.9-snapshot
2 loader buildsMinecraft version
1.21.9
2 loader buildsMinecraft version
1.21.8
2 loader buildsMinecraft version
1.21.7
3 loader buildsMinecraft version
1.21.6-snapshot
3 loader buildsMinecraft version
1.21.6
3 loader buildsMinecraft version
1.21.5-Snapshot
3 loader buildsMinecraft version
1.21.5
3 loader buildsShowing the newest 12 of 30 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
- FPS Booster - Lag Killer versions and loaders
fps-booster-fabric-26.2.jar
27 Jul 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 26.2 · Fabric setup Fabric26.2 release
fps-booster-forge-26.2.jar
27 Jul 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 26.2 · Forge setup Forge26.2 release
fps-booster-neoforge-26.2.jar
27 Jul 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 26.2 · NeoForge setup NeoForge26.2 release
fpsbooster-neoforge-1.20.5-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.5-Snapshot · NeoForge setup 1.20.5-Snapshot1.20.5NeoForge release
fpsbooster-neoforge-1.20.4-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.4 · NeoForge setup 1.20.4NeoForge release
fpsbooster-neoforge-1.20.3-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.3-Snapshot · NeoForge setup NeoForge1.20.3-Snapshot1.20.3 release
fpsbooster-neoforge-1.20.2-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.2-Snapshot · NeoForge setup 1.20.2-Snapshot1.20.2NeoForge release
fpsbooster-neoforge-1.20.1-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · NeoForge setup 1.20.1NeoForge release
fpsbooster-neoforge-1.20.6-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.6 · NeoForge setup 1.20.6NeoForge release
fpsbooster-neoforge-1.21-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21-Snapshot · NeoForge setup 1.211.21-SnapshotNeoForge release
fpsbooster-neoforge-1.21.1-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21.1-Snapshot · NeoForge setup 1.21.1-Snapshot1.21.1NeoForge release
fpsbooster-neoforge-1.21.2-1.0.0.jar
20 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.21.2-Snapshot · NeoForge setup 1.21.2-SnapshotNeoForge1.21.2 release
Looking for an older file? The official CurseForge project page is in Resources.
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