GUI Scaler
by netleak
Players who resize the window or switch monitors get GUI Scaler, a client mod that rescales the Minecraft interface on its own to match the window.
What it does
GUI Scaler watches the window size and changes the GUI scale when the window is resized, put into fullscreen or moved to another screen. Scaling happens as a screen opens, so menus and HUD elements stay readable without the player opening the video settings each time. Two modes are available: AUTO, which uses pixel density detection to pick a scale, and CUSTOM, which applies width-to-scale rules that the player writes in the config file.
The mod is published for Fabric, Forge and NeoForge. Fabric builds require Cloth Config API and Fabric API, and the Fabric file also gives access to an in-game config screen through ModMenu. The Forge file is the one that supports the newest game versions in this list, reaching 1.21.4 at the latest. Being client-side only, the mod needs no server component, and the source code and issue tracker are public. The code is under the GNU Lesser General Public License v3.0 only, so the project is open source.
Key features
Automatic GUI scaling
The GUI scale is recalculated when the window size changes, without any manual step.
Pixel density detection
AUTO mode reads the display density to choose a scale that keeps interface text legible on different screens.
Custom width rules
CUSTOM mode maps window widths to scale values defined in the config file.
Toggle and mode settings
The enableAutoScale option switches automatic scaling on or off, and the mode option selects AUTO or CUSTOM.
Instant updates
Rescaling runs when a screen opens, when fullscreen is toggled and when the window is resized.
Compatibility
Latest build for each game version and loader.
26.x5 of 5 versions with builds
1.21.x3 of 3 versions with builds
1.20.x1 of 1 version with builds
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 2
Use cases
Who it’s for: Players who often resize the game window, switch between displays or prefer their interface scale to follow the window size instead of a fixed value.
How it compares
GUI Scale Keys is a Fabric, Forge and NeoForge mod for 1.20.1 – 26.3 that is client-side only and open source under the GNU General Public License v3.0 only, so it adds keyboard shortcuts for changing the scale by hand rather than rescaling on its own. Window Size is client-side only, open source under the MIT License and covers Quilt as well as the three loaders, for 1.21 – 26.3. CrispScale targets Fabric alone, for 1.21.11 – 26.2, and is also open source under the MIT License.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| GUI Scaler | Fabric, Forge and NeoForge | 1.20.1 – 26.3 | Client-side only | 2026-09-21 |
| GUI Scale Keys | Fabric, Forge and NeoForge | 1.20.1 – 26.3 | Client-side only | 2026-09-20 |
| Window Size | Fabric, Forge, NeoForge and Quilt | 1.21 – 26.3 | Client-side only | 2026-09-20 |
| CrispScale | Fabric | 1.21.11 – 26.2 | Client-side only | 2026-09-12 |
Questions
Which loader does GUI Scaler support for the newest versions?
Does Fabric need Cloth Config API and Fabric API?
Does GUI Scaler need to be installed on the server?
In the catalog
GUI Scaler is one of 36,990 Utility mods on ModsFinder, and one of 25,772 Utility mods for Fabric. 8,071 mods support Minecraft 26.3.
More from netleak
Similar mods
What the author says
Never adjust GUI scale manually again. GUI Scaler automatically scales your Minecraft GUI based on window size — whether you resize, toggle fullscreen, or switch monitors. Define your own width → scale rules in the config file.
Official listing
- Modrinth page
- modrinth.com/mod/auto-gui-scaler
- Owner
- netleak
- Published
- 2025-10-27
- Updated on Modrinth
- 2026-09-21
- Facts verified
- 2026-10-15