Minecraft Java 1.21 Mods
Browse 12,329 free mods for Minecraft Java 1.21 — popular picks include Boss Radar, Alex's Mobs fishing, Duckedudle Mod.
Updated daily
Boss Radar
Craft a special compass that senses powerful mobs lurking nearby. Hold it to see a color-coded ring around your crosshair with the boss's name and distance, turning red as danger closes in — perfect for staying alert to the Ender Dragon, Wither, Warden

Alex's Mobs fishing
Adds items from "Alex's Mobs" mod to fishing loot tables.
Duckedudle Mod
This mod adds the duckedudle mob.
Colossal Weapons
Use amazing gigantic weapons from your dreams and face off against powerful foes!
Computer Guy's Mod
Computers, Rats, Mice and more!
Unbirthing
Ever wanted to shove mobs back into their spawn eggs? No? Yeah me neither I was just bored :3 I guess you could use this mod to do it tho
Cobblemon: Growing Friends
Unofficial Cobblemon add on mod that lets you plant certain Pokémon as crops
Berry's Land
**Berry's Land** is an adventure mod that introduces a beautiful new dimension with custom progression, unique creatures, giant trees, Compote Rivers, and an exciting boss fight. Discover a mysterious world and earn powerful rewards!
No Dragon Egg
Disable dragon egg spawning with a simple, configurable Paper plugin
Pvp Tiers
PVP Tiers is a competitive kit PvP plugin featuring 8 preset kits, a custom kit editor, casual and ranked 1v1/2v2 matchmaking with Elo rankings, duels, parties with Teams and FFA modes, and per-kit arena cloning. Built for Paper 1.21.11 with LuckPerms.

Essence Reborn
This plugin allows players to be imbued with the Essence of the mobs which they have slain, giving them special abilities!
Visual Identification
Lightweight and configurable server side block and entity information UI based on player's line of sight. Displays configurable information such as block name, block ID, mob health...
PiglinSMP
Transforms Piglin Bartering into a custom loot system. 7 unique weapons with special mechanics. 🐷
The End: Expanded
A mod that completely enhances the End Islands with new biomes, structures, and even an alternative to Netherite!
Mega Green Pack
new boime, new dimension, new block, new liquid, new villager etc.
CreatureCapture
Turn mob hunting into a collection challenge!

ArenaWaves
Simple wave arena with bossbar progress and vanilla mobs.
Alienated
Adds a whole new planet to explore!
Population Control
Changes the mob spawning and bed mechanics.

SpyGlassMeData
Datapack that is used by the SpyGlassMe mod.
Kill or die
A recreation of the datapack used in NewKiddo’s “Kill or die” series
StickMenu
A simple plugin to make using commands in AdvancedTeleport much easier for console and mobile players.
Sheep Behavior Reversion
This datapack reverts the 1.21.5 update changes to sheep behavior, preventing them from eating short grass, ferns, short dry grass, and tall dry grass.
The Aurorian Unofficial Port
a community port of The Aurorian
(Pie's) Mossy Overhang
This pack adds beautiful side textures for the moss carpet, and also for its pale version.
Easy duels
A powerful Paper PvP duels plugin featuring GUI-based duels, customizable arenas, automatic arena reset, PvP Club-style death system, parties, scoreboards, multiple kits, best-of rounds, and fully configurable gameplay for competitive servers.
Creepy Colorful
Creepers are now a colorful bunch thanks to Creepy Colorful!
Terralith × ButterBee: Biome Bridge
Terralith × ButterBee: Biome Bridge is an unofficial compatibility data pack that assigns ButterBee animal variants to suitable Terralith biomes.
HonHoan - Soul Ring RPG
Turn every mob into a Spirit Beast. Hunt Soul Rings, master 42 Soul Skills, collect Spirit Bones
Italian Guy's Wallpaper
This is a wallpaper mod that adds 16 types of wallpaper, plus drywall and carpets
Pumpkin Masquerade
Welcome to the unique Masquerade resource pack, which transforms traditional carved pumpkins into masks of cute mobs!
MCGun
Add Some Fun About Guns!You Can Craft Them!
SimpleSpawnMob
A Simple Minecraft SpawnMob Plugin.
No Xp Spawner
Disable XP from mob spawners and trial spawners.
OP passive mobs
This pack makes the panda, the bee and most importantly the snow golem OP.
Trial Trophies and Loot
Adds some trophies that can be obtained in certain ways, use these trophies to get OP rewards!