
Modrinth · Minecraft mod
OptiFine Checker
A simple mod to check if OptiFine HD is loaded
Quick answer
Which OptiFine Checker release should I use?
OptiFine Checker 1.0.2-forge-mc1.14.4 targets 1.14.4 with Forge. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.
Where it goes
Is OptiFine Checker required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does OptiFine Checker 1.0.2-forge-mc1.14.4 need?
1.0.2-forge-mc1.14.4. Change the file and its required mods may change too.
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 OptiFine Checker without breaking your instance.
Built for OptiFine Checker 1.0.2-forge-mc1.14.4. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.2-forge-mc1.14.4. It targets 1.14.4 with Forge; 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
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.2-forge-mc1.14.4. It opens that exact file at the source.
About this project
What does OptiFine Checker add?
The license of Optifine prevents it from being distributed, but there are times when players may not install Optifine manually to the modpack's mod folder.
This mod will remind players to install Optifine when it detects that Optifine HD is not loaded properly.

Project description from Modrinth.
Pick your setup
OptiFine Checker by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.5
1 loader build1.20.4
1 loader build1.20.3
1 loader build1.20.2
1 loader build1.20.1
1 loader build1.19.4
2 loader builds1.18.2
2 loader builds1.17.1
2 loader builds1.16.5
2 loader builds1.15.2
1 loader build1.14.4
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
OptiFine Checker versions and loaders
1.0.2-forge-mc1.14.4
optcheck-1.14.4-1.0.2-forge.jar
14 Jun 2024
1.1.2-forge-mc1.15.2
optcheck-1.15.2-1.1.2-forge.jar
14 Jun 2024
1.2.1-forge-mc1.16.5
optcheck-1.16.5-1.2.1-forge.jar
14 Jun 2024
1.3.2-forge-mc1.17.1
optcheck-1.17.1-1.3.2-forge.jar
14 Jun 2024
1.4.1-forge-mc1.18.2
optcheck-1.18.2-1.4.1-forge.jar
14 Jun 2024
1.4.1-fabric-mc1.18.2
optcheck-1.18.2-1.4.1-fabric.jar
14 Jun 2024
1.5.1-forge-mc1.19.x
optcheck-1.19-1.5.1-forge.jar
14 Jun 2024
1.2.1-fabric-mc1.16.5-1.17.1
optcheck-1.16.5-1.2.1-fabric.jar
14 Jun 2024
1.5.2-fabric-mc1.19.4
optcheck-1.19.4-1.5.2-fabric.jar
14 Jun 2024
1.6.1-forge-mc1.20.x
optcheck-1.6.1-forge-mc1.20.1.jar
14 Jun 2024
Looking for an older file? The official Modrinth project page is in Resources.