OptiBolt is a modpack that focuses solely on optimizing vanilla Minecraft without adding new features for those who prefer the vanilla experience. The modpack is based on Simple Optimized with my own modifications that further improve performance.
Now you are about to see a comparison in two different situations
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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.
Verified by MCModsHub
- Downloads as OptiBolt_v2.mrpack
- Download size: 34 KB
- Download link checked 22 Aug 2026 — working
These come from our own check of the pack file, not from the source page.