OptiFied
Java modpack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
OptiFied is a modpack focused only on optimization and performance. Each version is tested carefully before release.
⬇ Download on Modrinth
OptiFied is a well-researched modpack focused purely on optimization. Each version is carefully tested before release, ensuring maximum performance, smooth gameplay, and stability—and to minimize the need for bug fixes or updates after launch.
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Disclaimer: You will see a significantly higher performance increase on low-end systems (estimated around 35–45%), while mid- to high-end systems typically experience a 20–30% boost. These numbers may vary depending on individual circumstances.
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Testing PC's
PC nr.1: i5-12600k|RTX 3060ti 8gb|32gb 6000MHZ DDR5
PC nr.2: i7-4770k|GTX 980ti 6gb|16gb 2300MHZ DDR3
PC nr.3 i7-4770k|RTX 3060ti 8gb|16gb 2300MHZ DDR3
PC nr.4 i5-12600k|GTX 980ti 6gb|32gb 6000MHZ DDR5
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.5
- 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 OptiFied 1.0.0.mrpack
- Download size: 12 KB
- Download link checked 21 Oct 2026 — working
These come from our own check of the pack file, not from the source page.