How do I install Gyo?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Gyo work with?

The listing gives Minecraft 1.21.4. This is the version stated by the author or source site, not something we verified ourselves.

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Gyo

Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.

by eyeofgrey · on Modrinth

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Gyo

Commits since Latest Release License GitHub Downloads Modrinth Downloads

A client-side Fabric mod that lets you play in glorious, borderless 4:3 by automatically setting up the window on the title screen!

Dependencies

Required:

Fabric API (GitHub) (Modrinth)

Optional:

Mod Menu (GitHub) (Modrinth)

Downloads

Reporting Issues

Please use GitHub Issues to report bugs, crashes, and other issues.

License

Gyo is under the GNU Lesser General Public License, version 3.

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.4
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Ships as gyo-0.7.0+1.21.4.jar — drop this file into the mods folder
Download size: 3 KB
Download link checked 11 Oct 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.21