Minecraft Java 1.21 Mods
Browse 22,257 free mods for Minecraft Java 1.21 — popular picks include Solute Extras, Geological Consistency, Failed Breeding.
Step by step: How to install Minecraft Java mods & modpacks
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Solute Extras
More enchants, better craft and smelt recipes and fair mob drops in an expansion of Solute.
Geological Consistency
Every ore. Every stone. Every dimension.

Failed Breeding
A simple mod that gives mobs a chance to fail at breeding!
Craftable-NonCraftables Datapack and Mod
Craft the Uncraftable Items!
MusicPlayerMod
A sleek, modern music player overlay for Minecraft that displays your currently playing media from Spotify, YouTube Music, and other Windows media sources directly in-game.
Vlast Connect
The mod adds better settings for the “Vlast” server, auto-adding servers, auto-downloading resource packs, Litematica support, backpack functionality improvements, and much more.
Immortality Enchantment
Ever wanted to be... immortal?
ItemGuard
ItemGuard is a lightweight plugin that restricts specific item actions like holding, crafting, or using banned items across worlds. With full config control and PlaceholderAPI support, it’s perfect for maintaining gameplay balance and preventing exploits.
Muffles&Truffles
This mod adds a mob to the game called the shroomkin, the shroomkin is a wandering trader esc type mob with some mechanics mixed in from the pilgin, if your looking to overhaul the mushroom fields were your mod!

Freshness
This mod adds freshness for food
Bedrock placing
Removes the 4 tick delay when placing blocks by holding down right click
OmniSMP
Lands Claim plugin protection. It allows players to protect their builds, manage members, and customize their settlement settings without relying on clunky golden-shovel mechanics.
Just a Green Screen
A green screen block for video and photo creation.
Rep
The Ultimate Reputation System. Native Folia Support. Now with Rank Rewards, Visual Effects, Daily Limits & 100% Translatable GUIs.

GoAFK
Adds the /afk command and replaces the player with an AFK anchor that simulates chunks like the player would.
LaunchBlocks
Adds a functionality where slime blocks launch you forward
Cerium
Some enchantments for your vanilla game.
Zander's Reinforced Tools
A vanilla+ tools expansion with V1, V2 with reinforced tiers, sockets, runes, fishing rods, and powerful utility abilities.
CS HOME
A simple home system. /home opens a GUI showing all player homes.

Ruins of the Past
Datapack which overhauls archeology, pottery, and adds runes!

ChangeSize
Adds a custom crafteable device capable of changing your player's size.
oSzoukaua's: Cerulean Wisp
Adds a craftable wisp entity, that provides night vision

Custom Jukebox Songs (Example Pack)
a datapack / resource pack that adds all the files you need to create custom jukebox songs in 1.21.4
Inventory Visual Enhancer
Inventory Visual Enhancer is a client-side mod that improves Minecraft inventories with rarity glows, stack rings, and animated icons, making item management clear, stylish, and lightweight.
CameraUtilities
Adds tweaks like Freelook, Zoom and Freecam to your game.
More Recipes: Change Golden Apple
Restore the Golden Apple recipe from 1.1-1.6.
Simple AutoTool
Automatically switches to the best tool in your hotbar when mining blocks.
SizePlayer
EN: Allows players to change their size, which changes their HP. RU: Позволяет игрокам менять свой размер, из-за чего меняется их ХП.
TaTe's Food Tweaks
Makes Many More Items Consumable, Buffs a Few Existing Food Items, and Adds a Couple New Food Items!
Stay Young
Keep animals small/baby
Chorus Spells
This adds wands, crafted with chorus fruit, a stick, and magical items. These wands don't have any mana limit, but aren't too strong.
Progressive No Structures
This datapack allows you to make progress and even beat the game in worlds with Generate Structures disabled!
Stay put! [door waxing]
A simple mod which adds the ability to wax doors, trapdoors and fence gates to freeze them in their current state.
Extra Entity Attributes
This mod adds new attributes, which serve as an API for other mods.

StackablePotions (Port)
Port of Cursed1nferno's StackablePotions for 1.21+
Sticky Elytra
Makes Elytra KeepInventory