
mod
OptiFine CheckerMinecraft mod for 1.20.6
A simple mod to check if OptiFine HD is loaded
- Latest version
- 1.0.2-forge-mc1.14.4
- Minecraft
- 1.14.4 to 1.20.6
- Java
- Java 21+
- Loaders
- Forge, Fabric
- Licence
- LicenseRef-All-Rights-Reserved
- Downloads
- 77.1k
- Updated
- 2 y ago
- Available on
- Modrinth
Host OptiFine Checker servers
One click and OptiFine Checker is installed with the right loader, on hardware built for it.
- 1.20.6
- Forge
- Fabric
- One click mod install
- Loader matched for you
- Ryzen CPUs
- NVMe SSD
Screenshots
Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.
Minecraft versions
Every version OptiFine Checker declares support for, newest first, with the Java runtime that version needs.
| Minecraft | Through | Java | Evidence | Released |
|---|---|---|---|---|
| 1.20.6 | Forge, Fabric | 21+ | declared | 29 Apr 2024 |
| 1.20.5 | Forge, Fabric | 21+ | declared | 23 Apr 2024 |
| 1.20.4 | Fabric, Forge | 17+ | declared | 7 Dec 2023 |
| 1.20.3 | Forge, Fabric | 17+ | declared | 4 Dec 2023 |
| 1.20.2 | Forge, Fabric | 17+ | declared | 20 Sept 2023 |
| 1.20.1 | Fabric, Forge | 17+ | declared | 12 Jun 2023 |
| 1.19.4 | Forge, Fabric | 17+ | declared | 14 Mar 2023 |
| 1.18.2 | Fabric, Forge | 17+ | declared | 28 Feb 2022 |
| 1.17.1 | Fabric, Forge | 16+ | declared | 6 Jul 2021 |
| 1.16.5 | Forge, Fabric | 8+ | declared | 14 Jan 2021 |
| 1.15.2 | Forge, Fabric | 8+ | declared | 17 Jan 2020 |
| 1.14.4 | Fabric, Forge | 8+ | declared | 19 Jul 2019 |
Download
From OptiFine Checker’s own host. Nothing is re-hosted here.
optcheck-1.14.4-1.0.2-forge.jar · 0.0 MB · for 1.14.4
f2fd8e78ec63…Older versions9Hide older versions
- 1.1.2-forge-mc1.15.214 Jun 20241.15.20.0 MB426 downloads
f8819b17bf25…Get - 1.2.1-forge-mc1.16.514 Jun 20241.16.50.0 MB6.8k downloads
35ce077c87d8…Get - 1.3.2-forge-mc1.17.114 Jun 20241.17.10.0 MB640 downloads
06e72380eb3d…Get - 1.4.1-forge-mc1.18.214 Jun 20241.18.20.0 MB3.1k downloads
843acfab99c9…Get - 1.4.1-fabric-mc1.18.214 Jun 20241.18.20.1 MB1.4k downloads
d0b56a34b035…Get - 1.5.1-forge-mc1.19.x14 Jun 20241.19.40.0 MB1.3k downloads
929877c2f3ac…Get - 1.2.1-fabric-mc1.16.5-1.17.114 Jun 20241.16.5, 1.17.10.1 MB2.0k downloads
87ee64c1fd58…Get - 1.5.2-fabric-mc1.19.414 Jun 20241.19.40.0 MB2.7k downloads
74b1d73e1328…Get - 1.6.1-forge-mc1.20.x14 Jun 20241.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.50.0 MB57.7k downloads
f4771c5fe695…Get
Frequently asked
Does OptiFine Checker work on Minecraft 1.20.6?
Yes. 1.20.6 is the newest Minecraft version OptiFine Checker declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.
Which Minecraft versions does OptiFine Checker support?
Everything the author has declared, from 1.14.4 up to 1.20.6. The full list is in the table above, with the Java runtime each version needs next to it.
Do I need to install OptiFine Checker on the client or the server?
The client only. There is nothing to install on the server, so it works on any server you can already join.
Which loader does OptiFine Checker need?
Forge, Fabric. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.
Which Java version do I need for OptiFine Checker?
Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.
What licence is OptiFine Checker under?
LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.
How do I install OptiFine Checker?
Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.
Where do I download OptiFine Checker safely?
From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.
Works on the same versions
Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.
Is this information wrong or missing something? .

