Minecraft Java 1.21 Mods
Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include The Belt, Mod but my Friends decided what's in it, dde's Amazing Mod.
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The Belt
The mod adds a belt. And maybe a gun.
Mod but my Friends decided what's in it
lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!
dde's Amazing Mod
Adds new blocks, items, potions, and small gameplay features focused on fun building, utility tools, and lighthearted content.
Remove Lava Chicken Drop
Removes the "Lava Chicken" disc from the Zombie loot table.
Twilight Forest Smithing
Progression-based smithing for the Twilight Forest mod.
Harbor Folia
A Folia/Canvas port of Harbor for accelerated night skipping on Minecraft 26.1.2 servers.
StepBoost
A mod which increases your speed with every step you take
Creeper Radar
Creeper Radar is a simple client-side Fabric mod for Minecraft 1.21.11 that detects creepers within a 30-block radius around the player. It displays the number of nearby creepers and the distance to the closest one in the action bar.
AntiSignEdit
Minecraft plugin that locks signs after a player finishes writing on them, preventing any future edits
Moss Overtakes
This datapack allows moss to spread to every block when bone mealed.
Guinermod
Survive a world invaded by the Guiners, new daylight enemies that spawn in large groups, and much more.
Screaming Treess
Causes trees to sometimes scream when they are cut down
Perdezh - Fart mod
This mod adds farts. A fart charge bar, fart power levels, toxic clouds, launches, and explosions.
Maa's Daily Cycle 24 Hours + Morning Fog
The data pack increases the daily cycle to 24 hours and adds morning fog.
Cohere
Cohere links players together so their XP, effects, and custom abilities synchronize and strengthen whenever they team up.

Endless Potions
Combine three potions into a stronger potion beyond vanilla limits.
Recipe Book Re-Organized
This mod fixes the Recipe Book to be more like Bedrock. All craftable items will shown first with "Show All Recipes" enabled
Aubin's Drills
Adds drills to minecraft, just like in satisfactory.
Ender Node
Sculk + The End = weird teleportation devices
Craftable Uncraftables And More!
This mod adds all the uncraftable thing to minecraft and a few extra things.
Explosion Item
Arms every dropped item with a warning fuse and an explosion scaled by item value and stack size.

AI Moderator
AI-Moderator is a cutting-edge, high-performance moderation system for Minecraft servers (Paper 1.21+). It combines lightning-fast local heuristic filters with the deep contextual understanding of modern AI models (Gemini, OpenAI, Ollama).
Echo: a new legend?
Get ready to be spooked, this is the start of a series called Legends: Retold? Where it retells famous creepypasta characters and makes new ones!
Physical HotBar
This mod is created by @TheEpitex youtube channel. Items in your inventory has physics.
Blood Price
Trade your blood for strength!
LibraryCube
LibraryCube is a Minecraft plugin that generates an infinite, explorable library of unique chambers, each filled with deterministically arranged blocks based on a specific address.
KirpichomPo
It was my first plugin for minecraft. It adds a small chance that a brick will fall on you.
Earwax
EarWaxers is a silly Fabric mod where pressing P on a stick or blaze rod “cleans” your ear and leaves edible earwax on the tip (hurting you in the process, and lighting you on fire if it’s a blaze rod). Cook that wax through burnt, crispy, very crispy, a
Owl Jump Rope
Adds a jumping owl with a rope that spawns in villages and explodes when killed.
Beyond The Simulation
Grow a Lab Grown Brain that Connects Redstone Beyond the Distances, Dimensions, Worlds, Servers and Realities? (yes, connect redstone to real life)
Nightshift
Challenge oriented, randomly generated nocturnal events.
Endless Villages
Every chunk is filled with villages, creating a unique survival experience focused on exploration and village-based gameplay so turn your Minecraft world into a place where only villages generate.
ToughCraft
I'm trying to create a very complex datapack that will be based on vanilla Minecraft and make the game impossibly difficult.
classic-hurt-flash
Brings back the old minecraft hurt flash
Craftable bamboo
A datapack that makes bamboo craftable. Recipe : 2 sticks - vertical
Heaven's & Hell's Armors
Adds Heaven's and Hell's Weapons and armor.