Minecraft Java 1.21 Mods
Browse 96 free mods for Minecraft Java 1.21 — popular picks include Deepcraft, Big Items API, Merged Items.
Updated daily
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Big Items API
A really simple library that allows developers to make items take up more inventory slots.
Merged Items
Adds a merging mechanic for items. Items can 'store' other items and will inherit their attribute modifiers.

compressy
A Fabric mod to add automatic support for near infinite compression of any block that is placeable! Fancy tooltips and roman numerals included

1.21.7 Backport (Lava Chicken Backport)
Port of the new 1.21.7 features to older versions
EverythingInOne
This mod has a lot of different and weird stuff ranging from tools, armor, machines, ore, and more!
oSzoukaua's: XP is Bottles!
Mobs will now drop XP bottles that contain the exact amounts of XP the mob dropped!
Delete items after death
Datapack that deletes items and xp when you die instead of dropping them.
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,
Mecânicas Classicas (PT-BR)
Adiciona uma variedade de funções e mecânicas de versões antigas do minecraft!
NoTotems Plugin
Disables Totems of Undying for players
Dead Body
The Most Advanced Realistic Lootable GUI Corpses Graves and Dead Bodies for Mobs and Players in Minecraft! + PVP Logging Solutions & More
stupid baby mod
!! LOUD NOISES !! a mod that adds a bunch of different baby mobs, items, blocks, weapons.
Shared Inventory (NeoForge)
Sync your inventory with friends in real-time!
Inventory Link
Link everyone's inventory for a fun twist on multiplayer!
Vlast Connect
The mod adds better settings for the “Vlast” server, auto-adding servers, auto-downloading resource packs, Litematica support, backpack functionality improvements, and much more.
Crystal Town Mod
A mod that adds a slightly elaborate universe! A couple of dimensions, lots of interesting mobs, progression, magic wands and toxic weapons!

StackablePotions (Port)
Port of Cursed1nferno's StackablePotions for 1.21+
BackPackSSS
Custom tiered backpacks with progression crafting, upgrade system and persistent storage — designed for survival servers.
QuickPOT / PVP Potion
PvP/combat potion switching made easy with a fast radial menu, supporting drinkable, splash, and lingering potions with 8 customizable slots.
Create: Meat Blocks
Brings back Meat Blocks from MineFactory in a new, Create style! Features the slaughterhouse, ingots, straws, and baconator (autofeeder). Create your own meat processing plant today!
Instant Ingot
No more raw ores - go straight to their ingot form!
Storage Infuser
🗸 Transform your tools and armor into portable vaults! Craft crystals to add hidden storage slots directly inside swords, pickaxes, and armor pieces.
Espoir SMP
The plugin's twist is ⚙️ How the system works: 🧿 You start with 3 souls. 🔻 Each time you die, you lose a soul. 💀 At 0 souls, you become a ghost: spectator mode for 24 hours. ⚔️ Kill a player → you steal one of their souls, if you don't already have all
Scout (Forked)
Extending the inventory slots via Satchels.
Minecraft But EVERY Mob Explodes!
Pretty much"Minecraft but Every Mob Explodes" lol
Custom Randomizer - Ultimate
Ultimate drop randomizer plugin
Arataki's greenhouses
This mod adds a new block, using which you can unload the routine of extracting items of plant origin, because now the greenhouse block will do it for you
MobBuckets
Clutching with fish and axolotls is boring, clutch with anything your heart desires!
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
Inventory Link
A datapack that makes all players in the world share the same inventory
No Ender Chests
This mod disables the use of Ender Chests. Players can still place them, but right-clicking will show a message in the action bar saying Ender Chests are disabled.
Sugar doubles
A recreation of the datapack used in NewKiddo’s “sugar doubles” series
ReddishTheBest's Survival Additions | RSA
Datapack with a few survival-centered additions. Crafting Table+, Multi-Tool, Diver's Helmet with more to come!
Teleporting Ender Chests
Makes ender chests teleport when you aren't using silk touch
Ender Logistics Network
Adds a compact Ender-based item transport system. Ender Pouches linked to the same channel share one inventory, enabling easy long-distance item transfer and automation.