
Modrinth · Minecraft mod
Borderless Windowed
Enables a borderless windowed fullscreen mode, replacing Minecraft’s default fullscreen behavior.
Quick answer
Which Borderless Windowed release should I use?
Borderless Windowed 1.0.0 targets 1.21, 1.21.1, 1.21.2 with Fabric. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.
Where it goes
Is Borderless Windowed required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does Borderless Windowed 1.0.0 need?
1.0.0. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Borderless Windowed without breaking your instance.
Built for Borderless Windowed 1.0.0. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.0. It targets 1.21, 1.21.1, 1.21.2 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.0. It opens that exact file at the source.
About this project
What does Borderless Windowed add?
Borderless Windowed
Borderless Windowed replaces Minecraft’s default fullscreen with a borderless windowed mode.
This allows Minecraft to behave like fullscreen while remaining a window, making it easier to alt-tab, use multiple monitors, and avoid screen flickering or resolution changes.
Features
- Borderless windowed fullscreen
- Faster and smoother alt-tabbing
- No resolution switching
- Works like fullscreen without exclusive mode
Compatibility
- Fabric mod
- Client-side only
- Compatible with most mods
Notes
This mod does not change gameplay and only affects how the game window behaves.
Project description from Modrinth.
Pick your setup
Borderless Windowed by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader build1.21.3
1 loader build1.21.2
1 loader build1.21.1
1 loader build1.21
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Borderless Windowed versions and loaders
1.0.0
borderless-windowed-1.0.0.jar
18 Jan 2026
Looking for an older file? The official Modrinth project page is in Resources.