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CurseForge CurseForge · Mod

How to install "Better Compatibility Checker"

Changes the default server compatability check to compare modpack versions

Author

Gaz_

Downloads

105.3M

Last Updated

Apr 10, 2026

Mod Loaders

NeoForge Fabric Forge

Minecraft Versions

26.1.2 1.21.11 1.20.4 1.19.4 1.18.2 1.16.5
Utility & QoL Map and Information Server Utility

Quick Install ID

#better-compatibility-checker

Install Better Compatibility Checker in GDLauncher

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

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 Better Compatibility Checker supports (26.1.2, 1.21.11, 1.20.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #better-compatibility-checker, find Better Compatibility Checker in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

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 Better Compatibility Checker supports (26.1.2, 1.21.11, 1.20.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #better-compatibility-checker, find Better Compatibility Checker 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 Better Compatibility Checker supports (26.1.2, 1.21.11, 1.20.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #better-compatibility-checker, find Better Compatibility Checker 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 Better Compatibility Checker supports. As of the latest release, 26.1.2, 1.21.11, 1.20.4 are supported. Better Compatibility Checker supports multiple loaders (NeoForge, Fabric, Forge); 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 Better Compatibility Checker free?

Yes. Better Compatibility Checker is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Better Compatibility Checker support?

Better Compatibility Checker supports Minecraft 26.1.2, 1.21.11, 1.20.4, 1.19.4, 1.18.2, 1.16.5. GDLauncher will automatically pick a compatible version when you install it.

Does Better Compatibility Checker require Forge or Fabric?

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

How do I install Better Compatibility Checker?

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

Who made Better Compatibility Checker?

Better Compatibility Checker is made by Gaz_. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/better-compatibility-checker).

Project links

Need help?

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

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