Minecraft Java 1.21 Mods
Browse 67 free mods for Minecraft Java 1.21 — popular picks include Petrolpark's Library, Dye Depot, IFramesTweaker.
Updated daily

Petrolpark's Library
A library of shared features and utilities for my mods
Dye Depot
Enhances your Minecraft experience with 16 vibrant new dyes and various other tweaks

IFramesTweaker
Tweaks How Invincibility Frames are handled to make fast weapons function properly.
Death Locator
Track the location of death using waypoints
Psittacine
Breedable parrots, 35 new parrot skins, colorful feather blocks, transport cages, and functionality tweaks.
Carpet Minitweaks
An extension for Carpet Mod with many toggleable survival-oriented game mechanic changes

JoaCarpet
A small carpet extension mod with useful features for redstone and storage tech (+some minor survival tweaks)
Essential PVP Utilities
This mod contains many features to give you an advantage when fighting. Contains Fast Block Placements, Wind Charge Optimizer, [Beta] Crystal Optimizer, Faster Strafing and much more.
Armor Tweaks
Makes armor protection & toughness super configurable.
Mob Tweaks
In this data pack you'll find tons of tweaks, buffs/nerfs and improved consistency in worldbuilding when it comes to mobs. Axolotls have become much better, Illusioners are now in the game and there are even a couple of useful new items.
Allay, behave !
Tell your allays to stay still, and other QoL tweaks.
Mob AI Commands
A standalone version of the commands added by Mob AI Tweaks mod
Protect My Villager
Simple utility mod that prevents hitting villagers accidentally and adds protection filters.
Train's Tweaks
Configure hardcoded aspects of experience, rarity, mob drops, and more
Carpet-FGA-Addition
An AI-powered Carpet extension mod packed with practical utilities, including longer player name support and fake-player area mining.

Tweaked Trials
A few tweaks to Tricky Trials update, including repeatedly openable vaults and entity particles
EndraQuest Tweaks
Fixes LevelZ skill requirement bypass bugs, prevents Ancient Debris duplication, and limits mob farming exploits.
Nice Creeper Tweaks
Makes Creepers more interesting.
Basic Reach
Basic Reach is a compact singleplayer-focused utility mod that adds a straightforward Reach enchantment (I–II) Reach increases both your melee hit distance and block interaction range letting you poke mobs from afar.
Halloween Tweaks
Small and minor halloween-related tweaks to make your game spookier!

PaperTweaks
A better-performance replacement of the popular VanillaTweaks datapacks, in plugin form.
Nice Rabbit Tweaks
Small yet useful additions to Rabbits.
Minecraft Remade
Tweaks Minecraft. Keeps in balanced.
Nice Bat Tweaks
Tweaks and changes to make Bats more interesting.
Happy Ghast Tweaks
Add some useful vanilla frendly tweaks to the Minecraft happy ghast.
Tweaked Frogs
Adds very small tweaks to frogs
Nice Pig Tweaks
Some nice additions to Pigs.
wand works
This mod adds new fun and interesting equipment and utilities to make the experience better
Easy Bee
A completly new way to trasport bees with extra tweaks
Cobblemon Black&White Battle Music
Adds music from Pokémon Black&White to Cobblemon battles
Colly SMP [NO LONGER UPDATING]
The Official Datapack used in the Colly SMP, no changes, no tweaks, THE REAL DEAL!
Tweaky
A collection of 90+ lightweight, toggleable, configurable vanilla tweaks.
Mandarin World
RU: Сканер мобов (ESP). Зажми ПКМ на 3 сек. Вкладки: Tools & Utilities. EN: Mob Scanner (ESP). Hold R-Click for 3 sec. Tab: Tools & Utilities.
Saltpeter Gunpowder
A vanilla-friendly, immersive, well researched gunpowder crafting mod with no feature creep and no world generation tweaks.
Nether Improvements
Configurable, survival friendly tweaks to make the Nether more interesting on Vanilla servers!
Villager Breeding Tweaks
A plugin that decreases villager breeding cooldown and growing age, making villager breeding and growth faster for survival servers and SMPs.