CurseForge · Minecraft mod
Biome Sizes
Customize Biome Size settings per dimension
Quick answer
Which Biome Sizes release should I use?
Biome Sizes biomesize-fabric-1.21.1-1.6.jar targets 1.21.1 with Fabric. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. All 1 required mods have matching files.
Where it goes
Is Biome Sizes required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
The source does not explicitly classify this release as client-only or server-only.
What else does Biome Sizes biomesize-fabric-1.21.1-1.6.jar need?
biomesize-fabric-1.21.1-1.6.jar. Change the file and its required mods may change too.
Install Cupboard 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 Biome Sizes without breaking your instance.
Built for Biome Sizes biomesize-fabric-1.21.1-1.6.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use biomesize-fabric-1.21.1-1.6.jar. It targets 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Cupboard 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 it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside biomesize-fabric-1.21.1-1.6.jar. It opens that exact file at the source.
About this project
What does Biome Sizes add?


Biome Sizes allows you to adjust worldgen settings for biome size per dimension with a simple to use config.

- Dimension specific settings
No known incompatibilities, should work with any other mods which respect worldgen datapack settings.
Project description from CurseForge.
Pick your setup
Biome Sizes by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
2 loader builds1.21
2 loader builds1.20.1
3 loader builds1.20
3 loader builds1.19.4
2 loader builds1.19.3
2 loader builds1.19.2
2 loader builds1.19.1
2 loader builds1.19-Snapshot
1 loader build1.19
2 loader builds1.18.2
2 loader builds1.18.1
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
Biome Sizes versions and loaders
biomesize-fabric-1.21.1-1.6.jar
28 Jan 2026
biomesize-fabric-1.20.1-1.6.jar
28 Jan 2026
biomesize-1.21.1-1.6.jar
28 Jan 2026
biomesize-1.20.1-1.6.jar
28 Jan 2026
biomesize-1.21.1-1.5.jar
22 Dec 2024
biomesize-fabric-1.21.1-1.5.jar
22 Dec 2024
biomesize-1.20.1-1.5.jar
22 Dec 2024
biomesize-1.20.1-1.4.jar
25 Sept 2023
biomesize-1.20.1-1.3.jar
11 Aug 2023
biomesize-fabric-1.20.1-1.3.jar
11 Aug 2023
smallbiomes-fabric-1.20.1-1.3.jar
23 Jun 2023
smallbiomes-1.20.1-1.3.jar
23 Jun 2023
Looking for an older file? The official CurseForge project page is in Resources.