Minecraft Java 1.21 Mods
Browse 141 free mods for Minecraft Java 1.21 — popular picks include Stacked, Reforgery, XGamemode.
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Stacked
Simple mod that makes most items stack up to 99. Configurable.
Reforgery
An experimental datapack that adds weapons of mass destruction such as orbital strikes, black holes, the death note and more...
XGamemode
You're not switching modes, you're switching dimensions.
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4
Firework++ - Longer Craftable Durations!
Additional firework booster crafting recipes for elytra! Longer flight times with more gunpowder!
FNAF Dreams and Nightmares
Mod will recreate the creepy atmosphere of FNaF 4
Ravents
🗸 Ravents for custom mechanics. Design multi-wave raids with complex triggers, create unique mobs with modified stats, gear, and mounted towers. Spawn control: Replace vanilla mobs or add custom copies.
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
GUI Recorder
Simple recorder for actions in any GUIs.
NoNether Plugin
Prevent players from entering the Nether.
More Villages Datapack
Adds more villages to the game.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Shared Backpack
Adds the command /backpack which opens an inventory where anyone can take items out and put them in
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.

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!

compressy
A Fabric mod to add automatic support for near infinite compression of any block that is placeable! Fancy tooltips and roman numerals included
Stackable Beds
Beds can now be stacked up to 64!
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,
Stackable Shulker Boxes
Shulker Boxes will now stack up to 64!
Delete items after death
Datapack that deletes items and xp when you die instead of dropping them.
oSzoukaua's: XP is Bottles!
Mobs will now drop XP bottles that contain the exact amounts of XP the mob dropped!
Crafting Tree
Expanding Minecraft's "sandbox" aspect through crafting (and other tables).
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.
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!
Shared Inventory (NeoForge)
Sync your inventory with friends in real-time!
Inventory Link
Link everyone's inventory for a fun twist on multiplayer!

StackablePotions (Port)
Port of Cursed1nferno's StackablePotions for 1.21+
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.
BackPackSSS
Custom tiered backpacks with progression crafting, upgrade system and persistent storage — designed for survival servers.