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Minecraft Java 1.21 Mods

Browse 12,073 free mods for Minecraft Java 1.21 — popular picks include Mob Controller Sheep Spawning, FeelsBHaddMan's Client-Side Favorites, Mob Controller Pig Spawning.

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Mob Controller Sheep Spawning
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
FeelsBHaddMan's Client-Side Favorites
1.21fabric

FeelsBHaddMan's Client-Side Favorites

A Fork of the Fabulously Optimized Modpack with a sprinkling of QoL improvements, HUD enhancements, verbose tooltips, shaders, farther renders, animated entities, world and mini map, and many more!

1.0kdownloads
Mob Controller Pig Spawning
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
Mob Controller Cat Spawning
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
BetterUX
1.20.1fabric

BetterUX

A mod that adds various little UX improvements to enhance the overall user experience.

1.0kdownloads
Extra Weapon Enchants
1.20.1forge

Extra Weapon Enchants

A Simple Enchants Mod Spicing Up Your Weapons

997downloads
expRepair-multi
1.21.8fabric

expRepair-multi

Take control of your Mending enchantment. expRepair lets you decide when and how your gear gets repaired using your stored XP — no more losing XP to random orb pickups at the wrong time.

971downloads
Mob Controller Chicken Spawning
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
Celestmere-QuickMenu
1.21.8fabric

Celestmere-QuickMenu

Quick Menu Module designed specifically for the Celestmere Server. Optimizes in-server click-based interactions and features. Not compatible with other servers.

966downloads
Driftload
1.21.1fabric

Driftload

A lightweight client-side mod that spreads out chunk loading to cut the stutter when you join worlds, teleport, or fly, and stacks with Sodium.

950downloads
RainApricot Spawn Notification
1.21.1neoforge

RainApricot Spawn Notification

RainApricot Spawn Notification (for Pixelmon)

949downloads
Mob Controller Evoker Spawning
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
Nova White 16x PvP Pack
1.21

Nova White 16x PvP Pack

Nova White 16x by Ahad -playz is a clean, minimal white PvP pack featuring short swords, low fire, and a massive FPS boost.

942downloads
ResourcePack detection that shouldn't exist
1.21.1neoforge

ResourcePack detection that shouldn't exist

Detect if the player is loading a resource pack in the wrong place. Compatible with Iris and Optifine.

942downloads
Veinminer More  and Enchantments
1.21.1neoforge

Veinminer More and Enchantments

Upgrade your mining with the Vein Miner Enchantment! Highlights connected ores and blocks in real-time before you swing. Should be balanced xD and performance-friendly. Stop guessing and start mining smarter!

941downloads
Create: Vanilla+ SMP
1.21.1neoforge

Create: Vanilla+ SMP

A performance-optimized Vanilla+ modpack built around Create. Explore, automate, and progress at your pace.

941downloads
Mob Controller Axolotl Spawning
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
Mob Controller Bogged Spawning
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
Mob Controller Blaze Spawning
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
Troublesome Trucks
1.20.2

Troublesome Trucks

Turns Minecarts into Troublesome Trucks - OptiFine Required!

915downloads
Vanilla 3D Extension Lite
1.21.9

Vanilla 3D Extension Lite

Performance friendly version of the 3D Vanilla Resource Pack

914downloads
CleanCraft by ACUL
1.21.1fabric

CleanCraft by ACUL

CleanCraft is a lightweight Vanilla+ Fabric modpack focused on performance, visuals, and quality-of-life. Featuring Sodium, shaders, Xaero’s map, Tom’s Storage, and more—it's perfect for builders, explorers, and smooth multiplayer.

886downloads
Mob Controller Glow Squid Spawning
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
Project Infinity Tools
1.21.1neoforge

Project Infinity Tools

A modular Minecraft expansion adding high-tier, rainbow-themed utility gear, including an all-in-one paxel and a custom-interfaced satchel for optimized inventory management.

857downloads
Mob Controller Dolphin Spawning
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
NeoForge: Tricky Trails
1.21neoforge

NeoForge: Tricky Trails

1.21 NeoForge Modpack with great Performance including Tech and Exploration Mods!

849downloads
Mob Controller Ghast Spawning
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
ForgeCore Performance Overlay
1.21.1neoforge

ForgeCore Performance Overlay

Lightweight performance overlay for NeoForge with FPS, 1% Low FPS, CPU, RAM, Ping, TPS and MSPT monitoring.

846downloads
TheHolShader Shader
1.17.1

TheHolShader Shader

A realism-focused shaderpack with dynamic shadows, animated water, volumetric god rays, drifting clouds, and full in-game customization — built for OptiFine and Iris.

843downloads
Cloud 9 FPS Optimized
1.21.10fabric

Cloud 9 FPS Optimized

This pack is designed for Forever Survival Servers, such as the Infinity Cube SMP. It's highly optimized for performance (FPS boosting), with quality-of-life enhancements.

843downloads
Mob Controller Piglin Brute Spawning
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
Rhodium
1.21

Rhodium

A resource pack designed to improve performance.

831downloads
Mob Controller Bee Spawning
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
Evergrow
1.21.1neoforge

Evergrow

A brutal high-end adventure modpack packed with tons of new mobs, bosses, weapons and dimensions – heavily optimized and balanced for powerful PCs.

817downloads
StableCap Pacer
1.21forge

StableCap Pacer

High-precision frame pacing for smoother capped FPS in modded Minecraft (Forge 1.19.2). Client-side only.

809downloads
DGZ Anchor Optimiser
1.21fabric

DGZ Anchor Optimiser

This is a client side anchor optimiser

800downloads