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Just Optimized project artwork

Modrinth · Minecraft modpack

Just Optimized

Speeds up the game performance by a lot for both client and server

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Just Optimized release matches 1.15.2?

Updated today
Best match for your filters Just Optimized
Game version 1.15.2
Loader Fabric 0.20.1

Just Optimized is a complete pack release for 1.15.2 with Fabric 0.20.1. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 6 mods in this pack file.

Pack setup

How should I set up Just Optimized for players and a server?

Use Just Optimized as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.

Client instance Install Just Optimized
Dedicated server setup Match Just Optimized
Pack loader Fabric 0.20.1

A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.

Plan the server requirements Read the Minecraft installation guide
Referenced mods 6
Client only 1
Server only 2
Not labelled 3

These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.

What are the server requirements for Just Optimized?

Just Optimized on 1.15.2. The pack contents and setup notes below stay tied to that release.

6 mods in this pack file

The selected pack release is Just Optimized. That file is for Minecraft 1.15.2 with Fabric 0.20.1. It contains 6 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.

About this project

What kind of pack is Just Optimized?

The modpack tries to optimize the game in a way to keep the vanilla parity and optimizations as high as possible. I do my best in updating the modpack and keeping things as clean as possible.

Features
  • Higher FPS using modern optimization mods
  • Faster chunk generation and loading times
  • Lower RAM usage
  • Better performance in both singleplayer and multiplayer
  • Improved graphics settings and cleaner configuration menus
  • Smarter culling to reduce unnecessary rendering
  • Clean, lightweight, and regularly updated
688 FPS at 32 Render Distance
  • Specs: Intel Core i5-12400F & NVIDIA GeForce RTX 3060
  • World Seed: 3354544725867848366

32 render distance benchmark

Included Optimizations

The pack combines a bunch of well-known optimization mods, including:

  • Sodium
  • Lithium
  • FerriteCore
  • ModernFix
  • C2ME
  • ImmediatelyFast
  • Entity Culling
  • Better Block Entities
  • More Culling
  • Very Many Players
  • ServerCore

...and various other performance mods and libraries.

Project description from Modrinth.

Mods in Just Optimized

Open any mod on Modpacks.ch to check its files and dependencies.

alternate-current-mc1.15-1.9.0.jar SHA-1 2e199ca52007d8b518795f0740244a0265f3ee26 · Modrinth version wYMhBMml · Project link unavailable Server only
config-2-2.14.2.jar SHA-1 1cee5295e38921a575aec6cc2145ef331989ade9 · Modrinth version FtlBFpp0 · Project link unavailable Side not labelled
fabric-api-0.28.5%2B1.15.jar SHA-1 83c53b84472e29c776ddf7d74518b2ea57d329ec · Modrinth version pKzU4NF4 · Project link unavailable Side not labelled
fast-chest-1.2+1.15.jar SHA-1 d2375df6e6129cfc9f64a0f4fceefb65a985a403 · Modrinth version Dk9lpuiC · Project link unavailable Client only
Ksyxis-1.4.6.jar SHA-1 6de6271329e0c83e3ccc0512a0d3cfcc3e790d3f · Modrinth version kzLBJQLn · Project link unavailable Server only
lazydfu-0.1.2.jar SHA-1 2efec5781f1271bdcdae462eee402ccb97bff6fe · Modrinth version C6e265zK · Project link unavailable Side not labelled

Pick your setup

Just Optimized by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

49 available setups

Showing the newest 12 of 49 game versions. Older files are in the list below.

Made local changes? Try them in a copied instance before touching a world you care about.

Recent files

Just Optimized versions and loaders

2 of 81 releases match
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Looking for an older file? The official Modrinth project page is in Resources.

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