Catalytic
This is the Catalytic converter for your computer! This modpack is aimed to convert low fps to high fps while maintaining a few fancy visuals.
⬇ Download on Modrinth
Catalytic is built to achieve high performance, with the main motive being FPS with very little visual enhancements (few additional mods see detail below in 'Additonal section'). Catalytic has been tested on a low-end computer and a high-end computer, both achieving excellent performance.
High-end computer specs:
AMD Ryzen 5 5600g with Radeon Graphics
Nvidia Geforce RTX 2060 Super
Memory 16gb ram
12 Render Distance used in Minecraft settings
Low-end computer specs:
Intel core i5 11th gen
Integrated graphics (Intel(R) Iris(R) Xe Graphics)
Memory 8gb ram
12 Render Distance used in Minecraft settings
Additional:
Credits: iLofiz (The Mod Icon And High End PC Specs)
There are a few additional mods(only in 1.21 version) such as Simple Voice Chat, Essential And Better F3, you can remove those mods from the modpack if its affecting your performance.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.2
- 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: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as Catalytic [1.21.2] 1.0.0.mrpack
- Download size: 16 KB
- Download link checked 8 Sept 2026 — working
These come from our own check of the pack file, not from the source page.