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OptiFine CheckerMinecraft mod for 1.20.6

A simple mod to check if OptiFine HD is loaded

client onlynewest supported 1.20.6
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

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.

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.6Forge, Fabric21+declared29 Apr 2024
1.20.5Forge, Fabric21+declared23 Apr 2024
1.20.4Fabric, Forge17+declared7 Dec 2023
1.20.3Forge, Fabric17+declared4 Dec 2023
1.20.2Forge, Fabric17+declared20 Sept 2023
1.20.1Fabric, Forge17+declared12 Jun 2023
1.19.4Forge, Fabric17+declared14 Mar 2023
1.18.2Fabric, Forge17+declared28 Feb 2022
1.17.1Fabric, Forge16+declared6 Jul 2021
1.16.5Forge, Fabric8+declared14 Jan 2021
1.15.2Forge, Fabric8+declared17 Jan 2020
1.14.4Fabric, Forge8+declared19 Jul 2019

Download

From OptiFine Checker’s own host. Nothing is re-hosted here.

1.0.2-forge-mc1.14.4release14 Jun 2024

optcheck-1.14.4-1.0.2-forge.jar · 6 KB · for 1.14.4

Download latest
f2fd8e78ec63…
Older versions9
  • 1.1.2-forge-mc1.15.214 Jun 20241.15.26 KB426 downloadsf8819b17bf25…Get
  • 1.2.1-forge-mc1.16.514 Jun 20241.16.56 KB6.8k downloads35ce077c87d8…Get
  • 1.3.2-forge-mc1.17.114 Jun 20241.17.16 KB640 downloads06e72380eb3d…Get
  • 1.4.1-forge-mc1.18.214 Jun 20241.18.26 KB3.1k downloads843acfab99c9…Get
  • 1.4.1-fabric-mc1.18.214 Jun 20241.18.253 KB1.4k downloadsd0b56a34b035…Get
  • 1.5.1-forge-mc1.19.x14 Jun 20241.19.46 KB1.3k downloads929877c2f3ac…Get
  • 1.2.1-fabric-mc1.16.5-1.17.114 Jun 20241.17.1, 1.16.552 KB2.0k downloads87ee64c1fd58…Get
  • 1.5.2-fabric-mc1.19.414 Jun 20241.19.450 KB2.7k downloads74b1d73e1328…Get
  • 1.6.1-forge-mc1.20.x14 Jun 20241.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +1 more7 KB57.7k downloadsf4771c5fe695…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 side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does OptiFine Checker support?

Forge, Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for OptiFine Checker?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

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?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .