CurseForge · Minecraft mod
Natural Sizes (Mob Scale Randomizer)
A lightweight Vanilla+ mod that adds natural variety to your world by subtly randomizing the size of every spawned mob.
Quick answer
Which Natural Sizes (Mob Scale Randomizer) release should I use?
Natural Sizes (Mob Scale Randomizer) Natural Sizes 1.2 - 1.21.5 Fabric targets 1.21.4 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Natural Sizes (Mob Scale Randomizer) 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 Natural Sizes (Mob Scale Randomizer) Natural Sizes 1.2 - 1.21.5 Fabric need?
Natural Sizes 1.2 - 1.21.5 Fabric. 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 Natural Sizes (Mob Scale Randomizer) without breaking your instance.
Built for Natural Sizes (Mob Scale Randomizer) Natural Sizes 1.2 - 1.21.5 Fabric. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Natural Sizes 1.2 - 1.21.5 Fabric. It targets 1.21.4 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
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 Natural Sizes 1.2 - 1.21.5 Fabric. It opens that exact file at the source.
About this project
What does Natural Sizes (Mob Scale Randomizer) add?
Natural Sizes makes your Minecraft world feel more alive by giving every mob a slightly different random size when they spawn. The mod is super lightweight and you can easily change the size limits in the config file.
Feel free to use this mod in your modpacks.

Project description from CurseForge.
Pick your setup
Natural Sizes (Mob Scale Randomizer) by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
2 loader builds26.1.1
2 loader builds26.1
2 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 builds1.21.4
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
Natural Sizes (Mob Scale Randomizer) versions and loaders
Natural Sizes 1.2 - 1.21.5 Fabric
naturalsizes-1.2-fabric-1.21.5.jar
10 Aug 2026
Natural Sizes 1.2 - 1.21.4 NeoForge
naturalsizes-1.2-neoforge-1.21.4.jar
10 Aug 2026
Natural Sizes 1.2 - 1.21.4 Fabric
naturalsizes-1.2-fabric-1.21.4.jar
9 Aug 2026
Natural Sizes 1.2 - 1.21.3 NeoForge
naturalsizes-1.2-neoforge-1.21.3.jar
9 Aug 2026
Natural Sizes 1.2 - 1.21.3 Fabric
naturalsizes-1.2-fabric-1.21.3.jar
8 Aug 2026
Natural Sizes 1.2 - 1.21.1 NeoForge
naturalsizes-1.2-neoforge-1.21.1.jar
7 Aug 2026
Natural Sizes 1.2 - 1.21.1 Fabric
naturalsizes-1.2-fabric-1.21.1.jar
7 Aug 2026
Natural Sizes 1.2 - 1.19.4 Forge
naturalsizes-1.2-forge-1.19.4.jar
30 Jul 2026
Natural Sizes 1.2 - 1.19.4 Fabric
naturalsizes-1.2-fabric-1.19.4.jar
28 Jul 2026
Natural Sizes 1.2 - 26.2 NeoForge
naturalsizes-1.2-neoforge-26.2.jar
18 Jul 2026
Natural Sizes 1.2 - 26.2 Fabric
naturalsizes-1.2-fabric-26.2.jar
13 Jul 2026
Natural Sizes 1.2 - 1.19.2 Fabric
naturalsizes-1.2-fabric-1.19.2.jar
21 Jun 2026
Looking for an older file? The official CurseForge project page is in Resources.