Minecraft Java 1.21 Mods
Browse 108,830 free mods for Minecraft Java 1.21 — popular picks include Sophisticated Backpacks Create Integration, DimensionalDoors, Neapolitan.
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Sophisticated Backpacks Create Integration
Sophisticated Backpacks on create contraptions
DimensionalDoors
Mazes, puzzles and traps. Doors and portals that can teleport you anywhere. Envious, malevolent eyes looking at you from the eldritch Limbo dimension.
Neapolitan
Serves up six different flavors of ice cream with quirky effects!
NaNny (Fix NaN Health / Absorption)
A Minecraft Neo/Forge mod that cleans up after mods that set entities' health and/or absorption to NaN.
From The Fog
Enter a world of fear and mystery with From The Fog, a Minecraft mod that brings the legendary Herobrine to life in a spooky and immersive way true to the legend.
Super Duper Vanilla Shaders
A shader pack created to convey the style of the cancelled Super Duper Graphics Pack and other popular Minecraft titles.
Autochef's Delight
Support stacked cooking & optimize recipe-matching in Farmer's Delight
Miner's Delight +
Farmer's Delight add-on for miners
Universal Bone Meal
Stop the bonemeal discrimination! Grow all plants, no limitations.
YUNG's Better Nether Fortresses (NeoForge) [1.20.4 - 1.21.1 ONLY]
A complete redesign of Minecraft's Nether fortresses!
Brewin' And Chewin'
Fermenting addon for Farmer's Delight
YUNG's Better End Island (NeoForge)
An overhaul of the main End Island where the dragon fight takes place!

Default Options
A way for modpacks to ship a default (key) configuration without having to include an options.txt file. Also allows local options from any mod .cfg file.
Variants&Ventures
Adds multiple new mob variants seamlessly integrated into your Minecraft world.
Despawn Tweaks
Optimization mod that fixes cases where mobs will be prevented from despawning.
Immersive Messages API
Adds an API for mod/pack developers to show in-game messages, info, and story elements.
FTB JEI Extras
JEI Extras is a small mod designed to bridge the gap between other mods and JEI.
WTHIT
What the hell is that? A fork of Hwyla which is a fork of Waila.
All the Wizard Gear
ATM9 Compat for Iron's Spells 'n Spellbooks late game armor
Medieval Buildings [End Edition]
New incredible medieval-style structures for the End!
Create Better FPS
Improve your Create FPS, up to 50%
Gadgets Against Grind
A cross-platform Minecraft mod that adds various different utility items and blocks!
Cryonic Config
Chill Minimal Config API
Stoneholm, Underground Villages (NeoForge)
Underground Villages. Love villages? Wonder why none settled underground in a sort of inhabited Stronghold? Well, you can stop wondering because now they do.
Flat Bedrock (Forge / Fabric)
Make the world have flat bedrock
LittleTiles
#BuildItYourself
Paladins & Priests (RPG Series)
✨ Protect and heal your friends as a Paladin or a Priest
Macaw's Biomes O' Plenty
A compatibility between Macaw's Mods and the different woods of Biomes O' Plenty

Sophisticated Backpacks
Yet another backpack mod this time with backpack you can place in world, color in different color combinations, upgrade with more inventory and enhance with many functional upgrades

VeinMiner Enchantment
Veinminer Addon - Adds vineminer enchantment to enchanting tables. Only tools with the enchantment can veinmine

I18nUpdateMod
Brand new update mod for "Minecraft Mod Language Package". 全新的「简体中文资源包」自动更新模组。
Mo' Structures (NeoForge/Fabric)
Discover exciting structures with fun mini-dungeons and integrated lore!
No Report Button
Removes the chat report button from the game menu screen
Overloaded
Server Friendly Endgame Tech Items/Blocks
JCPlugin
Core Plugin Library for JomcraftNetwork's mods
Simple Hats
Customizable, expandable, cosmetic hat mod with over 200 premade custom hats.