Minecraft Java 1.21 Mods
Browse 12,339 free mods for Minecraft Java 1.21 — popular picks include Bobicraft's Chimuelo, Nice Mob Scaling, Not Enough Trials Mod Integrations.
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Bobicraft's Chimuelo
Fly with Toothless with this datapack or mod and enjoy having your favorite dragon accompanying you everywhere.
Nice Mob Scaling
Randomized Mob sizes in a decent way.
Not Enough Trials Mod Integrations
Integrates various mods with Not Enough Trials
Milkable Blazes
Let's you milk and shear blazes.
PetPhraseX
A lightweight client-side mod that automatically adds customizable "pet phrases" (like "nya~") to your chat messages.
Tomtenissar - Mischievous Elves
Adds mischievous elves called Tomtar, from Nordic folklore
Coolest Hardcore
Change game for hardcore
PlayTime Forever
PlayTime Forever is the definitive Poppy Playtime mod for Java Build a factory with some of the most remebrable toys of the "Poppy PlayTime" universe
Mob Radar
Adds a mob radar that allows you to see the outline of all mobs within 30 blocks in every direction for 10 seconds (even through other blocks).
Chickens Hatch Now
Ever thought throwing eggs to hatch chickens was stupid?
Ka1denz Pvp Optimization Tweaks
The ultimate 1.21.11 PvP suite: small culling for FPS, persistent totem counters, and quality-of-life tweaks for competitive play.
AC Digspot Suspicious Blocks
This pack makes it easier to spot suspicious gravel/sand! I based it off the Animal Crossing digspot
Simple Bucket Mobs
Scoop up whatever mob you want in a bucket!
Monster Totem 512x
This resource pack changes the totem of undying texture to the White monster can.
Create: Back Off!
Keep entities at bay and stop griefing
Cobblemon Mana and Monsters
A modpack focused on adventure in a world with Cobblemon, Magic, and Technology.
No Stray ❌
Disable Stray in Minecraft by preventing its spawning and removing any that appear in the world
Repellent Potions
This simple mod adds new potions which allows to repell hostile mobs from player.
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
Capet SLS Addition
Carpet extension made by StarLight Server
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
Raven's Idea
A mod added some fantasy idea and stuffs

Entity Separator
A Minecraft mod that lets you define rules on when a mob should get a special NameTag and/or Texture based on their NBT data.
Arcadia Lib
Arcadia Lib is the shared foundation required by all Arcadia Pets, Prestige and AH. It provides the database layer, player data management and debug mode.
Happy Ghast: BombsAway
BombsAway, allows players to throw TNT from the back of a happy ghast with a simple right-click!
Pocket Universal [Cobblemon]
A custom Cobblemon datapack featuring original Pokémon, hybrid creatures, unique variants, and characters from different universes. Many more creatures and ideas are coming soon!
PyPack
Immersive (shaders/sounds/3D things) pack that's easy to start with (deploy starter base & vein mining), but deep to master (automation), including extra tools, aircraft, foods, mobs, etc. Easily invite others to your single player world.
Nice End Mobs
Mob additions for the End Dimension to make it a more interesting place to explore.
Entity Dithering
Adds bedrock-like transparency effect to entities. Compatible with any shaders!
No More Explosions
🧨 Disable explosions in your world. Configurable!
Naturallith
compatibility extension for using Naturalist mobs with Terralith biomes and balancing fauna weighting against vanilla mobs
Caged and Boxed
Easily transport blocks in boxes and mobs in cages!
Mobs Drop Eggs
Use the Looting enchantment on mobs and get a chance to obtain their spawn eggs.
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…