How do I install Specially optimized?

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. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Specially optimized work with?

The listing gives Minecraft 1.21.4. This is the version stated by the author or source site, not something we verified ourselves.

Home›Java›Modpacks›Specially optimized

ModpacksJava

Specially optimized

by Jalnyr · on Modrinth

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

Specially optimized

Specially optimized is a modpack that makes minecraft run much better with mods like Sodium, lithium, iris shaders and entity culling. It also has more special mods like noisium, ferriteCore and modernfix. It makes your game run almost 5x the normal frame rate and makes everything much more optimized.

Do you want a server?

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.4
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 specially optimized v1.mrpack
Download size: 19 KB
Download link checked 9 Sept 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Modpacks for Java All Minecraft Java mods Java mods for 1.21