Fabric Mods for Minecraft 1.21

Browse 54 free Fabric mods for Minecraft 1.21 — popular picks include OptiElitePlusz, Kappa's AntiCheat, Lag Detective.

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54 mods

1.21.11fabric

OptiElitePlusz

Highly optimized for both ARM Mobile devices and Low-End PCs

2.8kdownloads

1.21.5fabric

Kappa's AntiCheat

A lightweight Fabric anti-cheat designed for high performance on large-scale servers.

1.4kdownloads

1.21.11fabric

Lag Detective

Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.

1.1kdownloads

1.21.8fabric

T0PK4_lib

This is a next-generation bugfix mod required for ModderEFGS's and T0PK4's mods to work.

537downloads

1.21.9fabric

Better Copper Golems

Unleash the true power of copper golems!

337downloads

1.21.1fabric

PyCraft IDE

An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.

292downloads

1.21.8fabric

Light Level 2025 Mod (1.21.8, 1.21.5) – See Light Levels Above Every Block

Light Level 2025 Mod displays the block light level directly above solid blocks-allowing players to instantly assess mob-spawning risks visually. Inspired by Parzivail’s legacy LightLevel mod, it introduces improved performance, modern color rules, and convenient configuration. Features: Press F9 to see the block light levels Screenshots: Requires: Fabric API Light Level 2025 Mod Download Links […]

M

1.21.4fabric

Modpack of Redstone

That's a useful thing;It includes essential helpers like Carpet and Tweakeroo, along with various optimization mods and resource packs.

315downloads

1.21.11fabric

Mob Controller Creeper Spawning

This Mod adds control functions for Creeper Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

3.3kdownloads

1.21.11fabric

Mob Controller Skeleton Spawning

This Mod adds control functions for Skeleton Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

2.5kdownloads

1.21.11fabric

Mob Controller Spider Spawning

This Mod adds control functions for Spider Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

2.1kdownloads

1.21.11fabric

Mob Controller Enderman Spawning

This Mod adds control functions for Enderman Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

2.1kdownloads

1.21.11fabric

Mob Controller Phantom Spawning

This Mod adds control functions for Phantom Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.8kdownloads

1.21.11fabric

Mob Controller Slime Spawning

This Mod adds control functions for Slime Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.6kdownloads

1.21.11fabric

Mob Controller Pillager Spawning

This Mod adds control functions for Pillager Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.6kdownloads

1.21.11fabric

Mob Controller Drowned Spawning

This Mod adds control functions for Drowned Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.5kdownloads

1.21.11fabric

Mob Controller Bat Spawning

This Mod adds control functions for Zombie Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.2kdownloads

1.21.11fabric

Mob Controller Stray Spawning

This Mod adds control functions for Stray Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.2kdownloads

1.21.11fabric

Mob Controller Cave Spider Spawning

This Mod adds control functions for Cave Spider Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.2kdownloads

1.21.11fabric

Mob Controller Cow Spawning

This Mod adds control functions for Cow Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads

1.21.11fabric

Mob Controller Sheep Spawning

This Mod adds control functions for Sheep Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads

1.21.11fabric

Mob Controller Pig Spawning

This Mod adds control functions for Pig Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads

1.21.11fabric

Mob Controller Cat Spawning

This Mod adds control functions for Cat Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads

1.21.11fabric

Mob Controller Chicken Spawning

This Mod adds control functions for Chicken Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

969downloads

1.21.11fabric

Mob Controller Evoker Spawning

This Mod adds control functions for Evoker Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

945downloads

1.21.11fabric

Mob Controller Axolotl Spawning

This Mod adds control functions for Axolotl Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

923downloads

1.21.11fabric

Mob Controller Bogged Spawning

This Mod adds control functions for Bogged Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.21 to 26.1.2

922downloads

1.21.11fabric

Mob Controller Blaze Spawning

This Mod adds control functions for Blaze Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

917downloads

1.21.11fabric

Mob Controller Glow Squid Spawning

This Mod adds control functions for Glow Squid Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

861downloads

1.21.11fabric

Mob Controller Dolphin Spawning

This Mod adds control functions for Dolphin Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

849downloads

1.21.11fabric

Mob Controller Ghast Spawning

This Mod adds control functions for Ghast Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

848downloads

1.21.11fabric

Mob Controller Piglin Brute Spawning

This Mod adds control functions for Piglin Brute Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

839downloads

1.21.11fabric

Mob Controller Bee Spawning

This Mod adds control functions for Bee Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

823downloads

1.21.11fabric

Mob Controller Donkey Spawning

This Mod adds control functions for Donkey Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

761downloads

1.21.11fabric

Mob Controller Cod Spawning

This Mod adds control functions for Cod Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

748downloads

1.21.11fabric

Mob Controller Allay Spawning

This Mod adds control functions for Allay Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.19 to 26.1.2

745downloads

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