Minecraft Java 1.21 Mods
Browse 21,941 free mods for Minecraft Java 1.21 — popular picks include PlayerSync, Fleecifer, MineClawd.
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PlayerSync
A server side mod that allows synchronising player data (inventory, health, xp, ...) across different Forge or NeoForge servers.
Fleecifer
Turns all sheep hostile...
MineClawd
MineClawd is like a magic wand for your world. You don't need to know how to code—just tell the game what you want, and watch it happen!
Keybind Viewer
A PvP utility mod that shows you the keybinds for each slot in your hot bar!
Nuke Plugin
A project based on cubicmetre's orbital strike cannon
Nice Mob Scaling
Randomized Mob sizes in a decent way.
Sable: Off-Balance
Makes you fall down if you stand on tilted sublevels, and ragdolls try to balance themselves instead of falling down
Color Only Challenge
Beat Minecraft after being assigned 1 of 10 colors. You can only break blocks that match your color, making every run chaotic and completely different.
Elemental Tools
A fun mod that adds tools with special abilities for each element. Fire, earth, water and air
Simple Displays
A datapack that makes Display Entity Placement and Simple Modifications Easier.
Sketchy Books
Sketchy Books lets you draw pixel-art sketches directly inside Books & Quills, turning them into illustrated journals.
Minescript HUD Addon
This mod adds the ability to draw custom HUD elements in Minescript.
Fight, Grow, Cute!
A sandbox odyssey with 360+ snarky, mechanic-driven quests. Master TacZ ballistics, Iron's Sorcery, and L2’s specialized weaponry to fuel your Sephirot skills. Slay gods for power—then retire to gourmet meals with your maids.
UltimateMaceControl
Ultimate mace handling plugin with two modes - single mace or multiple mace but no enchant.......
TimeBlockEraser
A plugin that removes completely entities and blocks placed by players after a cernain amount of time, useful for boxpvp, kitpvp
Aeronautics x Protomanly
Bridge between aeronautics and protomanly weather
ChatTranslator
A auto-message translator for mc players

Sculk Contagione
Makes Sculk more, lets say, invasive
Googun
Adds several new types of Googun™ Goo that can be shot onto terrain, changing how you traverse the world! Inspired by Portal 2's Gels.

Armaments
Adds a few new unique and interesting weapons to the game
Note Block Charged
Adds in a charged note block that plays electric guitar notes.
Simple Bucket Mobs
Scoop up whatever mob you want in a bucket!
Create: Back Off!
Keep entities at bay and stop griefing
Cobblemon: Coop+
Team up with a friend and take on RCT Add-On Fights Together!
No Stray ❌
Disable Stray in Minecraft by preventing its spawning and removing any that appear in the world
ChunkEntityLimiter
This system boosts performance by automatically capping entities/items in loaded chunks and player-adjacent areas
Origins: Moon Gazer
She fell from the moon into the Overworld. Shy and gentle, she still remembers where she came from and when night falls, she gazes up at the sky. They call her Moon Gazer
Brutal Respawn
You can no longer reset your hunger level or restore your health by respawning. You will respawn with 1 health point and a hunger level based on your pre-death level.
Survival Reimagined (NeoForge)
A Minecraft Mod with the goal of making Minecraft harder with a more realistic approach at progression

Mineable Spawners
Makes spawners and trial spawners mineable (ONLY!) with a silk touch netherite pickaxe
Hide Names Fabric
A mod that disables the player's username tag, allowing you to enjoy games like hide-and-seek with your friends on servers or LAN without visible usernames above your head.
Dynamic Daytime
Changes length of day and night depending on the number of days you played
Screw Phantoms
Remove Phantoms from the game completely. No Phantoms.
No Skeleton Horse ❌
Disable Skeleton Horse in Minecraft by preventing its spawning and removing any that appear in the world
Customizable Elevators
Build an elevator from your own blocks! There is support for doors and rope.
Raven's Idea
A mod added some fantasy idea and stuffs