Minecraft Java 1.21 Mods
Browse 22,257 free mods for Minecraft Java 1.21 — popular picks include LeavesDisappear, Configurable MaceLimiter, Lite Netherite Grind.
Step by step: How to install Minecraft Java mods & modpacks
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LeavesDisappear
When you chop trees, leaves dynamically disappear.
Configurable MaceLimiter
lost the source code, this may be revived some day. MaceLimiter lets you limit the amount of maces that can exist in your server!
Lite Netherite Grind
Lite Netherite Grind is a fork version of the Netherite Grind with lighter crafting.
Craft TNT from Gravel
This data pack allows you to craft TNT from gravel and gunpowder. The sand recipe is also kept so it allows you more choice when crafting TNT.

creeperGriefing
A lightweight server side mod that adds a gamerule for creeper griefing
Soul Sand Suffocates Silverfish
This datapack adds back a lost feature of soul sand to kill silverfish/endermites
OPLoot
Customize the loot in every structure chest
glfw-input
Client side mod that uses GLFW input polling for lower latency input, and more.
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
AI Friend by Kurzer
AI Friend adds a new NPC to Minecraft that communicates with you using real artificial intelligence via the OpenRouter API. Ask it anything, give it tasks — it will respond, move, and interact with the world!
Overnight
Make your nights count. A Minecraft datapack and Fabric mod that accelerates crop, tree, and animal growth while players sleep.
Origins: Slimeling
Origin datapack that adds the Slimeling, an origin based on the Slime.
Utilized: Magnets and Paxels
Adds magnets and paxels of multiple tiers - Peak efficiency
DrownForReal
Drown For Real adds realistic player panic animations when your underwater oxygen bar hits zero. Built for Fabric, it features custom flailing animations that smoothly blend in and out over a fraction of a second using player-animation-lib.
CPSLimit
CPSLimit A lightweight and high-performance CPS limiter for Paper and Purpur servers. It automatically monitors player clicking speeds and executes configurable kicks to maintain fair gameplay.
holy-strong
This module makes the stick more powerful; it can launch crystals, teleport, stop time, and build roads. 這個模組可以使木棒更加強大,木棒可發射水晶,可瞬間移動,可時間暫停,可搭路
CombatLogPlusPlus
various combat managers, in 1 plugin!
Worldspawn Y-Level Fix
A server-side mod that fixes players respawning at the top of the world instead of at the normal worldspawn
Mellurboo's Emoji Express
😎 Spice up chat with an Extendable Drag and drop chat emojis plugin, preconfigured to be backwards compatible with Discord. or add your own!
FastGrowth Netherite Hoe
Right-click on crops for fast growth with a netherite hoe.

In-Game File Editor GUI
Allow your staff to modify config files you give them access to directly in-game using a GUI
EntityBlocker
A plugin to block mob in black-list
No Render XP
A mod that allows you to completely disable rendering of XP Orbs and Thrown XP Bottles (Client Side).
Materia-Reborn
A progression-focused Minecraft transmutation mod inspired by ProjectE, featuring Essence, upgradeable tables, rituals, storage, and smelting systems.
InventorySaves+
Adds a better saving system compared to the normal vanilla hotbar saves
Durability Sucks
Removes durability, with a tag that lets you add it back to specific items!
BlockPlacementPreview[+]
Block Placement Preview shows an outline preview of the exact block shape before placement.
Grimorium
Harness the forgotten arts and master ritualistic sorcery
yafuce's Nerfed Ender Chests
A simple fabric server side mod to rebalance the overpowered Ender Chest.
Ready Crossbow
Make the piglins and pillagers attack you directly. Who goes around with an unloaded crossbow? Any mob that uses a crossbow will just shoot you.
NoEnderPearlDamage
Removes Ender Pearl teleport damage.
STIM Shot
Adds new stim shots the game that give great buffs!
Toaster's Stack Size Mod
Increased stack sizes for certain items, with code tweaks for even greater stacks.
Netheright
Datapack for restoring Netherite Smithing without Templates and recycling Diamond Equipment from Netherite!
Axolotof Advancements
A little more advancements to spice up your day!

Endinator
Adds a tool called the endinator that when used teleports you to the end