Minecraft Java 1.21 Mods
Browse 7,390 free mods for Minecraft Java 1.21 — popular picks include Creeper Cats, Fat Frogs, Kills-effect.
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Creeper Cats
This resource pack transforms all Minecraft cat textures into creeper-themed variants.
Fat Frogs
Turns frogs very fat, still wondering how they can jump so high?
Kills-effect
Custom kill hit effects: Lightning, Hearts, Darkness and Rage.
Toxin Accumulation│毒素堆積
Bogged's arrows now inflict a more deadly poison.│現在沼骸射出的箭矢會造成更致命的劇毒。
Rage twist
A simple datapack that adds a ragebar that can be increased by attacking mobs and that makes your attack damage increase.
Chickens Drop Eggs
Chickens drop eggs when killed. Who wants to wait around, anyway?

Nether Reactor Beacon
Retextures the Beacon to look like the Nether Reactor Core.
Mustache Axolotls!
Adds mustaches to all the axolotl variants!
Tora's Backrooms
This minimal resource pack transforms sulfur variants into Backrooms blocks!
Hot Redstone Wires
Wires get hot! Makes redstone dust and blocks painful to step on.
WitherSpawnWinXP
The Windows XP startup sound at the Wither's spawn.
Youtube Essentials
This projects adds fun tools for creators to play around with such as: Subscribe blocks and more!
Horror Economy
Post‑apocalyptic horror survival with a hard economy, build a secure base, trade for ammo and gear, and risk losing money on death.
Talkative Villagers
This mod is created by @TheEpitex youtube channel. Villagers never stop talking.
Level = Border (Server)
A plugin where the player’s movement radius is directly tied to their level.
Zigh's Wack Pack
Minecraft but memes (Absolutely NOT for quality of life)

The Chocolate Update
This project adds Willy Wonka, chocolate armor and tools, cheese slice and cheese block, chocolate ore, chocolate block, bottle of chocolate, bucket of chocolate, four types of donut (base, pink, gold and tnt).
Mugget's Banana Jockeys
This pack turns pigs into rideable bananas!
The Complex
"And the more times it remembers something, the less it does."
A's Apocalypses: shroom doom
a spreading overgrowth of mushrooms threatens your world.
MobHat
Ever felt like your head was missing something? MobHat is a fun and lightweight plugin that lets you wear almost any creature in Minecraft as a hat!
When Does A Cabbage Become A Meteor
A mod that adds cabbage meteors based off of EPIC

Fahh Totem pop
makes a Fahh sound whenever someone pops a totem
I Hate Skins
This Mod replaces EVERY skin with your own Skin, if you hate other Skins.
Structure Overload
Transforms your Minecraft world into an endless sprawl of structures, spawning vanilla dungeons at every step without compromising game performance.
Milk Players
MilkPlayer is a fun 1.21.1 utility plugin that lets you milk other players! Just right-click a friend with an empty bucket to get a custom item named "Playername's Milk", complete with authentic sound effects and a smooth, bug-free experience.

Size changing potions
A pretty simple but effective mod that adds size changing potions, which does NOT use pekhui! Try not to make yourself too big or... *windows error noise*
Crimson's Laptop of Undying
replaces the totem with a laptop :D
No Cat Hiss
This resource pack mutes cat hissing, because it's scary and painful for ears.
Hungry Tools
Allows tools eat items/blocks
Cyanstone - Cyan
A resource pack for the Cyanstone mod that makes redstone cyan.

lolove (lots of love!)
a datapack that allows you to show your affection for friends and pets by sneaking near them!

Inventory Shuffle
Adds group-based per-player inventory shuffling with customizable options. Works on both integrated/LAN and dedicated servers, not required on clients.
The Edibles
Makes every item Edible! Only datapack (You can install the mod if you want), user-friendly!
FakeBan
A lightweight mod that allows you to simulate being banned from a server. Simply press a key (default is J) to trigger the ban message and return to the main menu. To use the mod you need to have installed Fabric API.
Mace To Splunger
This resourse pack changed Mace to Plunger and changed sound.