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How to install "Open Loader"

An open source resource and data loader for Minecraft.

Author

DarkhaxDev

Downloads

41.3M

Last Updated

Feb 12, 2026

Mod Loaders

Fabric Quilt Forge NeoForge

Minecraft Versions

1.21.1 1.20.4 1.19.4 1.18.2 1.17.1 1.16.5
Server Utility Utility & QoL API and Library Cosmetic

Quick Install ID

#open-loader

Install Open Loader in GDLauncher

Open Loader runs on Fabric, Quilt, Forge, NeoForge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

Install on Fabric

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Fabric loader and a Minecraft version that Open Loader supports (1.21.1, 1.20.4, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #open-loader, find Open Loader in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Quilt

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Quilt loader and a Minecraft version that Open Loader supports (1.21.1, 1.20.4, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #open-loader, find Open Loader in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Forge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Forge loader and a Minecraft version that Open Loader supports (1.21.1, 1.20.4, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #open-loader, find Open Loader in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on NeoForge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the NeoForge loader and a Minecraft version that Open Loader supports (1.21.1, 1.20.4, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #open-loader, find Open Loader in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Before you install

Make sure your Minecraft version matches what Open Loader supports. As of the latest release, 1.21.1, 1.20.4, 1.19.4 are supported. Open Loader supports multiple loaders (Fabric, Quilt, Forge, NeoForge); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Open Loader free?

Yes. Open Loader is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Open Loader support?

Open Loader supports Minecraft 1.21.1, 1.20.4, 1.19.4, 1.18.2, 1.17.1, 1.16.5. GDLauncher will automatically pick a compatible version when you install it.

Does Open Loader require Forge or Fabric?

Open Loader supports Fabric, Quilt, Forge, NeoForge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Open Loader?

Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #open-loader. GDLauncher handles dependencies and the right Minecraft version automatically.

Who made Open Loader?

Open Loader is made by DarkhaxDev. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/open-loader).

Project links

Need help?

Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.

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