Minecraft Java 1.21 Mods
Browse 22,257 free mods for Minecraft Java 1.21 — popular picks include RepairBeacon, ChallengeUtil, Upgrade Furnace.
Step by step: How to install Minecraft Java mods & modpacks
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RepairBeacon
Adds a NEW Beacon effect that repairs your items over time
ChallengeUtil
A PaperMC Challenge Util including a timer, a waiting room system, fast world resets and different challenges that can be combined at will.
Upgrade Furnace
A PaperMC 1.21.4 plugin to upgrade furnaces for faster smelting and bonus yields.
Shadow Items Mod
This mod returns shadow items to the game
VoxelCleaner
A lightweight Fabric mod to hollow areas and generate rooms with undo/redo support.
LifeEconomy-Shop
A LifeEconomy add-on! This adds shop support.
PreventArmor
A plugin that prevents players from wearing armor! (heavily inspired by naked and afraid)
Harness Bizarreness
Server-side mod adding faster ghast harnesses
OneHitOre
OneHitOre is a Minecraft plugin that creates chain reactions when mining - break one ore and connected ores instantly shatter. Perfect for enhancing mining gameplay on any server.
Glass Heart
A difficult mod that sets your max health to 1 heart.
Create: Patina
A Create addon introducing oxidized variants and oxidizing mechanisms of copper items & blocks.
ItemDisabled
Mod that disabled certain items!
Potion Optimizer
Shows your potions the moment you throw them, instead of waiting on the server. Great on high ping. Verified on MCTiers & PvPTiers.
Craft Barriers
This pack adds a crafting recipe for barriers to the game, along with an enchantment allowing your pickaxe to break them.
GPS & Last Death
Navigate with an in-game GPS: cyan route on the terrain, homes, commands — stay on track without leaving Minecraft.
teha-anticheat
Simple Hack Scanner Minecraft Mod
FarmXP
Reward players with XP for harvesting fully grown crops and sugar cane.
Size Randomizer
The size randomzer, randomizes the player size with their health and attack value plus it randomizes the mob size!
QuickSign
Quick sign text copy & paste for Minecraft. Use Shift+Middle Click to copy sign text and automatically paste it to any other sign type - works in both Survival and Creative mode.
Mossy Llamas
Allows llamas to wear moss and pale moss carpets
Ranged Attack Damage│遠程攻擊力
New attribute: Ranged attack damage. This affects the damage of arrows and tridents fired by mobs.│新增屬性：遠程攻擊傷害。此屬性會影響生物發射的箭矢的傷害。
EdBlocks
This project adds EdBlocks, a high-performance plugin that automatically removes player-placed blocks after a set time. Features WorldGuard support and is optimized for busy BoxPvP servers (1.18-1.21)
Custom Fuel
makes furnace fuel items configurable
Cake
Plugin to add event handlers/functions/etc. to Minecraft.
riamphur
A Minecraft mod that provides various utility items and code for other mods to build upon. Helper mod for getting souls from entities.
Chaotic Randomness
This mod messes with some math values and causes a lot of weird stuff to happen.
BiomeLimits
Add Biome limitations for crops, saplings and other blocks.
Cobblemon Mega Showdown - Tera Shard Conversion
Adds type conversion recipes for Mega Showdown Tera Shards, crafting 2 shards together with a super-effective type relationship will override weak shard's typing.
Toads Simple Origins: Fish Bowl
Adds a custom piece of armor that allows custom origins datapacks to add a way to spend more time on land or in the nether without completely removing the challenge of only breathing underwater.
Fox Tame Mod
Adds the ability to tame foxes in Minecraft, similar to wolves and cats.
NightVisuals ItemPhysics
Gives dropped items realistic 3D physics, making them lay flat on the ground.
Bacon SMP
The Bacon SMP is a mod that introduces custom weapons and a redstone-powered string duper to the game. The custom weapons are crafted from valuable materials. This mod is still in development. There are many bugs.
The Dark Fountain
Adds a Dark Fountain from the hit game Deltarune.
Transparent Firework Trails
Makes firework rockets' trails almost invisible while flying on an elytra
Shard's Compat: Voltaic-Sable Compat
Server-side compat mod fixing duplication and disassembly bugs for Voltaic on Sable, with optional Ballistix support.
Swidget's Offset Mod
A lightweight Java Fabric 1.21.11 mod that adds customizable item offsets to improve PvP visuals and screen positioning. Fine-tune how weapons, tools, and other held items appear in first person for a cleaner and more comfortable combat experience.