CurseForge · Minecraft mod
Marlow Crystal Optimizer
Optimization that fixes waiting on the server after crystal break before end crystal entities are cleaned.
Quick answer
Which Marlow Crystal Optimizer release matches 1.19?
Marlow Crystal Optimizer (1.1.0) targets 1.19.3, 1.19.4, 1.20.1 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Marlow Crystal Optimizer required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Marlow Crystal Optimizer (1.1.0) need?
Marlow Crystal Optimizer (1.1.0) on 1.19. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Marlow Crystal Optimizer without breaking your instance.
Built for Marlow Crystal Optimizer (1.1.0) on 1.19. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Marlow Crystal Optimizer (1.1.0). It targets 1.19.3, 1.19.4, 1.20.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Marlow Crystal Optimizer (1.1.0). It opens that exact file at the source.
About this project
What does Marlow Crystal Optimizer add?
Marlow's Crystal Optimizer
Showcase Video
Overview
Marlow's Crystal Optimizer is a mod that optimizes the handling of using end crystals by removing the crystal client side, instead of waiting for the server to remove it. This can especially be useful when you are on higher ping.
Table of Contents
- Overview
- Supported Platforms & Versions
- License
Supported Platforms & Versions
| Platform | Supported Versions |
|---|---|
| Fabric | 1.19 - 26.1.2 |
License
This project is licensed under the MIT License.
Project description from CurseForge.
Pick your setup
Marlow Crystal Optimizer by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
1 loader build26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader buildShowing the newest 12 of 28 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Marlow Crystal Optimizer versions and loaders
Marlow Crystal Optimizer (1.1.0)
Marlow Crystal Optimizer.jar
26 May 2026
1.0.3
Marlow's Crystal Optimizer-1.19.X-1.0.3.jar
4 Feb 2025
1.0.2
Marlow's Crystal Optimizer-1.19.X-1.0.2.jar
29 Jan 2025
1.0.1
Marlow's Crystal Optimizer-1.19.X-1.0.1.jar
22 Jan 2025
1.0.0
Marlow's Crystal Optimizer-1.19.X-1.0.0.jar
21 Jan 2025
Looking for an older file? The official CurseForge project page is in Resources.
