Minecraft Java 1.21 Mods
Browse 12,367 free mods for Minecraft Java 1.21 — popular picks include Echoes of the Void, FishMating, PlayerLeaderBoards [1.21.x - 26.x].
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Echoes of the Void
A dimension-spanning expansion mod that adds a chilling new layer of depth to Minecraft's worldgen and combat.
FishMating
Bring your underwater world to life by letting fish breed naturally when players throw seeds into water! 🌊🐠✨
PlayerLeaderBoards [1.21.x - 26.x]
Let players compete for leaderboards!
Consistent Naming: Zombie Hoglins
A simple pack that renames Zoglins to Zombie Hoglins, matching the naming scheme of the other zombie mobs!
Accurate Mob Sizes
The Accurate Mob Sizes datapack makes most real-life mobs closer to their actual size, making Minecraft feel a bit more realistic.
ADKM
Defeat a powerful, giant boss roaming your world to claim his legendary Scythe with +16 Attack Damage! A high-risk, high-reward challenge. (Requires GeckoLib)
Tweaked
Tweaked adds useful Minecraft commands, admin tools, advanced gamerules, mob spawning control, inventory editing, sandbox worlds, and server management features.
Enlivened End
brings me life to the end with new blocks, biomes, items, and mobs, all in a vanilla-style way

Core Keeper Fabric
Ready to dig deeper? Face off against Core Keeper's most dangerous creatures, master magical abilities, and explore a brand new dimension packed with danger and treasure!
BetterSpawnerss
Smart spawner solution for your server!
More Actions: squid tentacles
This mod adds something that was sorely missing in vanilla survival: tentacles that drop from squids. Now, instead of useless ink sacs, you can get useful and nutritious food. Squids are no longer such a useless mob!
Piglintrades
Spawn special Piglins or optionally regular ones that trade on your rules. Offer items to trigger configurable, weighted reward pools that drop loot or run console commands; Piglins admire items in their off-hand, and you get an in-game admin GUI plus a si
VtAlters | ⭐ Advanced Boss Summoning System ⭐
Allows you to create a sacrificial altar to summon a mob
Phantom Plating
Gives Phantoms a reason to exist.
NoDeadForgiveness
Angered neutral mobs won't stop being hostile when targeted player dies
Reinforced Wood
Similar to the scrapped "Petrified Wood" feature, this mod allows you to reinforce wood, making it fire-resistant!
Origins: Golemite
Origin datapack that adds the Golemite, an origin based on the Copper Golem.
UJT - Immortal Tamed Pets
A simple mod that makes any pet or animal that has been tamed immortal by mimicking what the player's creative mode does.
The Gadyn
🗿 Challenge a giant titan roaming your world! Face 100+ HP and 20+ Attack Damage for a legendary reward: unlock an exclusive advancement and claim a massive 5000 XP drop! 💎✨
just let me do it
A Copper Golem based mod powered by OpenRouter AI that can build and interact with your world. Inspired by Purplers video.
Desert Traders
This datapack makes it so that wandering traders don't spawn with Llamas in the desert but with camels.
AFK Shield
Stay safe from mobs! Go AFK with full protection and return to the game whenever you like
RealMobScale
Realistic animal scaling based on real measurements | light-weight plugin.
YouShallNotMove
A simple mod that prevents entities from being moved
Inferno World
Dimension, epic boss battle, and tools inspired by a magical hell

Pumpkin Madness
One new biome, "Pumpkin Grove", which contains secrets, but what are they? So figure this out, I won't give you any hints, but this biome will make you come back again! )
Hallo Pumpkin
Happy halloween! This plugin adds pumpkins to all mobs
Planet of Mobs
You've never seen so many mob variations!
Grape 16x
This purple-themed Minecraft PvP texture pack enhances your gameplay with clean, competitive textures, including low fire, a low shield, and many more PvP-friendly features designed to improve visibility and performance.
NJ Capybaras
Adds realistic capybaras to Minecraft with unique behaviors, breeding, custom drops, and immersive world generation.
Dangerous Daggers
Adds tippable tiered daggers to minecraft along with enchants and acheivments for them.

Cobblemon Legends
LEGENDS is a modpack focused on adventure, creature capturing, and strategic battles powered by Cobblemon, delivering an immersive and stable multiplayer experience built around continuous progression in a living world.
ConvertIT
Cycle between Zombie Villager and Villager with ease!
SoItsPlushies
A small mod I made for plushies of me and friends!
RoyRealTimeEvents
Minecraft plugin automatically creates special events (bosses, monsters) in real time during the day
DreadWalker
A mod adding a new boss, new weapons, tools, armor, and a magic staff.