CurseForge · Minecraft mod
Window Size
Permanently modify the Minecraft game's (non-fullscreen) window size without having to edit options.txt!
Quick answer
Which Window Size release should I use?
Window Size 2.0.0 for 26.3 Fabric targets 26.3 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Window Size required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Window Size 2.0.0 for 26.3 Fabric need?
2.0.0 for 26.3 Fabric. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Window Size without breaking your instance.
Built for Window Size 2.0.0 for 26.3 Fabric. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 2.0.0 for 26.3 Fabric. It targets 26.3 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside 2.0.0 for 26.3 Fabric. It opens that exact file at the source.
About this project
What does Window Size add?

Permanently modify the Minecraft game's (non-fullscreen) window size without having to edit options.txt! Simply resizing the window will automatically update the overrideWidth and overrideHeight properties in your options.txt, plus the video options screen in game will have a new slider for windowed resolution!

Links
Also on Modrinth · Source on GitHub · Report an issue
Project description from CurseForge.
Pick your setup
Window Size by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.3
2 loader builds26.2
3 loader builds26.1.2
4 loader builds26.1.1
4 loader builds26.1
4 loader builds1.21.11
2 loader builds1.21.10
2 loader builds1.21.9
2 loader builds1.21.8
2 loader builds1.21.7
2 loader builds1.21.6
2 loader builds1.21.5
2 loader buildsShowing the newest 12 of 17 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Window Size versions and loaders
2.0.0 for 26.3 Fabric
windowsize-fabric-2.0.0+26.3.jar
17 Sept 2026
2.0.0 for 26.3 NeoForge
windowsize-neoforge-2.0.0+26.3.jar
17 Sept 2026
2.0.0 for 26.2 Fabric
windowsize-fabric-2.0.0+26.2.jar
21 Jun 2026
2.0.0 for 26.2 NeoForge
windowsize-neoforge-2.0.0+26.2.jar
21 Jun 2026
2.0.0 for 26.2 Forge
windowsize-forge-2.0.0+26.2.jar
21 Jun 2026
2.0.0 for 26.1-26.1.2 Fabric
windowsize-fabric-2.0.0+26.1.jar
10 Jun 2026
2.0.0 for 26.1-26.1.2 NeoForge
windowsize-neoforge-2.0.0+26.1.jar
10 Jun 2026
2.0.0 for 26.1-26.1.2 Forge
windowsize-forge-2.0.0+26.1.jar
10 Jun 2026
1.0.0 for 26.1-26.1.2
windowsize-1.0.0+26.1.jar
6 Apr 2026
1.0.0 for 1.21-1.21.11
windowsize-1.0.0+1.21.jar
6 Apr 2026
Looking for an older file? The official CurseForge project page is in Resources.