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Minecraft Java 1.21 Mods

Browse 134 free mods for Minecraft Java 1.21 — popular picks include Customizable Dragon AI, Old school mc+, Oskukana Mod Folder.

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Customizable Dragon AI
1.20.3

Customizable Dragon AI

Useful Datapack to customize the Ender Dragon's AI

2.2kdownloads
Old school mc+
1.21fabric

Old school mc+

"Old School MC+" is a modpack combining classic Minecraft with the alpha and beta era. It features elements like non-stacking food, a hunger bar, and mobs dropping items from the old days. It introduces new features such as a minimap, and shaders.

2.0kdownloads
Oskukana Mod Folder
1.21.11fabric

Oskukana Mod Folder

A lightweight modpack built for smooth and competitive PvP, with optimizations tailored for Crystal PvP and fast-paced combat while staying close to vanilla.

2.0kdownloads
Oh More Wandering Trades
1.21.5neoforge

Oh More Wandering Trades

Wandering Traders can trade more types of items.

1.9kdownloads
FPS X PVP
1.21.11fabric

FPS X PVP

A lightweight Fabric PvP modpack focused on maximum FPS, low latency, smoother gameplay, and competitive combat. Perfect for BedWars, Lifesteal, Crystal PvP, and SMP servers. 🚀⚔️

1.6kdownloads
More Villages Datapack
1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads
Solance Optimized
1.21.11fabric

Solance Optimized

Solance Optimized is a lightweight PvP-focused modpack that boosts FPS, reduces lag, and adds essential quality-of-life improvements while staying fair and vanilla-friendly. Built for competitive gameplay, it delivers smooth performance and stable combat

1.6kdownloads
Kappa's AntiCheat
1.21.5fabric

Kappa's AntiCheat

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

1.4kdownloads
Antideath-Carpet-addition
1.21.11fabric

Antideath-Carpet-addition

Antideath-Carpet-addition is a Carpet Mod extension for Fabric Minecraft servers (versions 1.21.x - 26.2) designed to enhance and optimize the game experience. It adds a suite of new loggers for server monitoring and game rules for survival, optimizatio

1.3kdownloads
Ultra Chunk Collector
1.21

Ultra Chunk Collector

⚡ The Ultimate Chunk Hopper - Instant Item Collection & Stacker Friendly! ⚡

1.2kdownloads
Manual Car
1.21.11fabric

Manual Car

A simple car with manual transmission

1.1kdownloads
Galaxia's mod folder
1.21.5fabric

Galaxia's mod folder

Galaxia's epic mod folder for Crystal PvP

1.1kdownloads
Lag Detective
1.21.11fabric

Lag Detective

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

1.1kdownloads
LagShield Ultimate (Anti Lag)
1.21.1neoforge

LagShield Ultimate (Anti Lag)

The intelligent performance modulator for Minecraft Server. LagShield Ultimate uses Arclight-safe async processing to dynamically regulate mob AI, chunk density, and entity speed based on real-time server stress (MSPT). Stops lag before it happens.

1.0kdownloads
XPON Optimize
1.21.11fabric

XPON Optimize

XPON: Enhancing Your Minecraft Experience XPON offers a wide range of Minecraft mods, resource packs, shaders, and modpacks designed to improve performance and visuals. We aim to provide high-quality content for all platforms, including mobile devices.

980downloads
Modded Complete
1.21fabric

Modded Complete

A Minecraft modpack that expands gameplay with new biomes, mobs, technology, magic, structures, and tools, creating deeper exploration, challenges, automation, and creative building possibilities.

958downloads
ItemDisplayPlugin
1.21.5

ItemDisplayPlugin

This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,

929downloads
PaperTweaks
1.20

PaperTweaks

A better-performance replacement of the popular VanillaTweaks datapacks, in plugin form.

868downloads
Less Logging
1.21.1neoforge

Less Logging

Reduces log spam by filtering out death messages for named entities (mobs with name tags).

823downloads
TQ's No Duping
1.21.6

TQ's No Duping

Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).

791downloads
ByeBye Phantoms 👋
1.21.8fabric

ByeBye Phantoms 👋

ByeBye Phantoms adds powerful new tools and wings to finally put an end to those pesky night stalkers!

778downloads
Cobblemon Phantoms
1.21.1fabric

Cobblemon Phantoms

Cobblemon Phantom is a modpack that blends Pokémon-inspired gameplay with Minecraft’s survival and exploration. It features custom creatures, eerie environments, and competitive elements like 1v1 duels, all wrapped in a dark, mysterious aesthetic.

774downloads
OptimisticMC PvP
1.21.11fabric

OptimisticMC PvP

High-performance PvP modpack delivered straight to full release with exclusive competitive features. Experience maximum FPS and unique tactical tools designed for professional dominance.

697downloads
No Crystals
1.21

No Crystals

Disables the use of end crystals in the overworld and nether to stop crystal pvp while still allowing the ender dragon fight

669downloads
Dutch Pet Shelter
1.21.11fabric

Dutch Pet Shelter

Custom modpack for VictoriaMoonlight, ShinkoRups, and NoMouseCat. Light modded experience that includes things like Farmer's Delight and Macaw's Furniture.

562downloads
MobSpawner
1.18

MobSpawner

Easily create simple dungeons or mob arenas with an optimized plugin!

553downloads
Easy Bee
1.21.1neoforge

Easy Bee

A completly new way to trasport bees with extra tweaks

530downloads
VoidMachina
1.20.1forge

VoidMachina

RPG modpack with magic, machines, and exploration for Minecraft 1.21.1 NeoForge. Optimized to run with only 4 GB of RAM and compatible with multiplayer and mobile devices via PojavLauncher.

526downloads
VirtualSpawnerPro
1.21

VirtualSpawnerPro

The Ultimate High-Performance Spawner Solution for 1.21+

511downloads
Advanced API
1.8

Advanced API

AdvancedAPI provides very simple code, for example, ItemBuilder or SimpleInventory, which can be used to create things faster. ONLY FOR PLUGIN DEVELOPERS

511downloads
UltraSpawners [LITE]
1.21

UltraSpawners [LITE]

UltraSpawners is a lightweight spawner management plugin featuring basic stacking, simple trust permissions, and economy based mob unlocking, designed for survival and economy servers.

508downloads
MODPACK BY PHANTOM
1.21fabric

MODPACK BY PHANTOM

A fast-paced SMP and PvP-focused Minecraft modpack with performance boosts, combat enhancements, and multiplayer-friendly features for competitive gameplay.

436downloads
Cobbromon
1.21.1neoforge

Cobbromon

This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.

435downloads
Easy Freezing
1.21.1neoforge

Easy Freezing

A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!

433downloads
Carrot Cake
1.21.8fabric

Carrot Cake

Carrot Cake – A light yet rich modpack by zachydabull and Calibtato, crafted for sustainable “forever” worlds. It refines vanilla Minecraft with smoother visuals, smarter animals, new decorations, and fresh structures to explore. Best with Terrain Mods.

398downloads
Titanium Visuals
1.21.4fabric

Titanium Visuals

Optimized Vanilla High Quality with Custom player & mobs animation with custom textures with 3D textures for some items

393downloads