ModsJava
Window Size Mod (26.2, 1.21.1) – Permanently Modify The Full Screen Window Size
To permanently modify Minecraft's game window size, players will have to edit the options.txt file. Window Size Mod is here with a better and ore…
⬇ Download
To permanently modify Minecraft’s game window size, players will have to edit the options.txt file. Window Size Mod is here with a better and ore convenient solution. This mod allows you to permanently modify the game window size using the in-game slider provided.
Features:
- Permanently modify Minecraft’s game window size.
- You no longer have to edit the options.txt file.
- Applies to the non-fullscreen game window.
Screenshots:
Window Size Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Downloads as 83363.mcaddon
- Download size: 895 KB
- Download link checked 26 Sept 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.