OptiFPS Modpack (1.21.8, 1.20.1) – Maximize Your Performance
Java modpack listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.
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OptiFPS Modpack is made for players who want the smoothest gameplay possible. It combines client-side performance mods and visual tweaks to maximize FPS without changing the core game too much.
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Features:
- Minimalistic and vanilla-friendly
- Built-in shader support
- Ideal for PvP and low-end systems
Screenshots:

OptiFPS Modpack Download Links
For Minecraft 1.21.8, 1.21.7
Fabric Version (Server Files): Download from Server 2
For Minecraft 1.21.6
Fabric Version (Server Files): Download from Server 2
For Minecraft 1.21.5
Fabric Version (Server Files): Download from Server 2
For Minecraft 1.21.4
Fabric Version (Server Files): Download from Server 2
For Minecraft 1.21.1, 1.21
Fabric Version (Server Files): Download from Server 2
For Minecraft 1.20.4
Fabric Version (Server Files): Download from Server 2
For Minecraft 1.20.1, 1.20
Fabric Version (Server Files): Download from Server 2
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.8, 1.20.1, 1.21.7
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Download size: 26.5 MB
- Download link checked 20 Jun 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.