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How to install "OptiGUI"

Blazing fast custom GUI textures on Fabric and Quilt with built-in OptiFine custom GUI resource pack support

Author

opekope2

Downloads

19.4M

Last Updated

Apr 1, 2026

License

LGPL-3.0-or-later

Mod Loaders

Fabric Quilt

Minecraft Versions

26.1.2 1.21.11 1.20.6 1.19.4 1.18.2
decoration utility

Quick Install ID

#optigui

Install OptiGUI in GDLauncher

OptiGUI runs on Fabric, Quilt. 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 OptiGUI supports (26.1.2, 1.21.11, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #optigui, find OptiGUI 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 OptiGUI supports (26.1.2, 1.21.11, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #optigui, find OptiGUI 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 OptiGUI supports. As of the latest release, 26.1.2, 1.21.11, 1.20.6 are supported. OptiGUI supports multiple loaders (Fabric, Quilt); 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 OptiGUI free?

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

What Minecraft versions does OptiGUI support?

OptiGUI supports Minecraft 26.1.2, 1.21.11, 1.20.6, 1.19.4, 1.18.2. GDLauncher will automatically pick a compatible version when you install it.

Does OptiGUI require Forge or Fabric?

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

How do I install OptiGUI?

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

Who made OptiGUI?

OptiGUI is made by opekope2. The full project lives on Modrinth (https://modrinth.com/mod/optigui).

Need help?

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

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