LinxfaX's Crystal OptimizerMods · 1.19 – 1.21This is my 2nd project to serve Crystal Optimzier mod for 1.19.4-1.21.11, this mod almost works the same as Marlow's Crystal Optimizer with little different…
Free177 downloads
Optimization that fixes waiting on the server after crystal break before end crystal entities are cleaned.
Direct download from Modrinth · 5,278,212 downloads
Marlow's Crystal Optimizer is a mod made by DevBram. Optimization that fixes waiting on the server after crystal break before end crystal entities are cleaned.
It supports Minecraft 1.19 – 26.x. It has been downloaded 5,278,212 times on Modrinth. The last update came out on Oct 7, 2026.
Marlow's Crystal Optimizer has had 32 releases on Modrinth since Jan 21, 2025. 21 of them came out in the past year. The newest is 2.0.0+mc26.1-26.3, released on Oct 7, 2026. It is made for Minecraft 26.1 – 26.3. It runs on Fabric. The download is 150 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
2.0.0+mc26.1-26.3 | Oct 7, 2026 | 26.1 – 26.3 | Release |
2.0.0+mc26.1-26.3-neoforge | Oct 7, 2026 | 26.1 – 26.3 | Release |
2.0.0+mc1.21.11 | Oct 7, 2026 | 1.21.11 | Release |
2.0.0+mc1.21.11-neoforge | Oct 7, 2026 | 1.21.11 | Release |
2.0.0+mc1.21.5-1.21.10 | Oct 7, 2026 | 1.21.5 – 1.21.10 | Release |
Marlow's Crystal Optimizer is open source. Its newest release on GitHub is v2.0.0, published on Oct 7, 2026.
the same packets as the Fabric version. With YetAnotherConfigLib installed, the settings open from
NeoForge's mod list, which also shows new versions.
built for your Minecraft version and mod loader, from Modrinth or from GitHub as picked in the
settings. Beta builds are only offered with the Experimental Builds setting, which is off by default.
uncommitted changes, and when it was built. PROTOCOL.md lists the fields.
it instead of being hidden, and the next crystal can still be placed where it stood straight away. It
sends exactly the same packets as the default mode.
Read all release notes on GitHub
Before that: legacy/26.1 (Sep 12, 2026), legacy/1.21.11 (Sep 12, 2026).
[](modrinth.com/mod/marlow-crystal-optimizer)
[](curseforge.com/minecraft/mc-mods/marlow-crystal…)
[](discord.deathmotion.com)
When you hit an end crystal, Minecraft normally waits for the server to remove it before you can place the next one.
On higher ping that wait is easy to feel. Marlow's Crystal Optimizer removes the crystal on your side the moment you
hit it, so you can place your next crystal straight away.
Mod loader · Minecraft versions
Fabric · 1.19 - 26.3
NeoForge · 1.20.4 - 26.3
On Fabric you also need Fabric API.
from the mod list. On NeoForge, both are in NeoForge's own mod list.
Come by on Discord or open an issue on
GitHub.
This project is licensed under the MIT License.
Written by DevBram. Read it with pictures on Modrinth.
This mod runs only on your own game. Servers do not need it, so you can use it on any server.
Install Fabric and NeoForge for Minecraft 1.19 – 26.x.
Add the mods it needs: Fabric API.
Download the .jar file from Modrinth and put it in the mods folder of your .minecraft directory.
Start Minecraft with the Fabric profile.
Easier: in Prism Launcher or the Modrinth App, search for Marlow's Crystal Optimizer in your instance's mods and click Install. It adds the loader and the mods it needs for you.
Full guide: How to install Minecraft mods
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| Marlow's Crystal Optimizerthe one you looked at | 5.3M | 1.19 – 26.x | Oct 7, 2026 | Free |
| LinxfaX's Crystal OptimizerLinxfaX | 177 | 1.19 – 1.21 | Aug 22, 2026 | Free |
 Faster RandomAnOpenSauceDev | 7.2M | 1.19 – 1.21 | Nov 4, 2024 | Free |
 Better Block Entitiescseden | 11.6M | 1.21 – 26.x | 4 days ago | Free |
Yes. Marlow's Crystal Optimizer supports Minecraft 26.x. All supported versions: 26.x, 1.21, 1.20, 1.19.
Yes. Marlow's Crystal Optimizer is free to download from Modrinth.
Client-side. Marlow's Crystal Optimizer goes in your own mods folder and works on any server, including servers without mods.
Yes: Mod Menu, Fabric API, YetAnotherConfigLib (YACL). Install it before Marlow's Crystal Optimizer.
Yes. The last update came out in the past day.
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