Minecraft Java 1.21 Mods
Browse 126,986 free mods for Minecraft Java 1.21 — popular picks include Wandering Trader F3, Biome Squisher, Svinopack.
Step by step: How to install Minecraft Java mods & modpacks
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Wandering Trader F3
Adds information about the Wandering Trader in the F3 Screen.
Biome Squisher
A library mod for adding biomes by "squishing" other biomes out of the way
Svinopack
A pig-themed Crystal PvP resource pack.
Classic Console Pack
Designed to replicate the original Xbox 360 Edition style with improved texture clarity.
YouTuber Swords
The YouTuber Swords datapack adds a bunch of new unique, crazy, and OP swords themed around your favorite YouTubers. This datapack is meant to be overpowered and fun to mess around with, while not needing to fit perfectly into an SMP.
Super Enhanced Vanilla
Medium weight modpack that expands on the vanilla features.
Aerosol
Changing visuals without heavy processing
Ashen + Ribbits Compat
A compatibility resource pack between Ashen 16x and Ribbits
PDB3D's Historical Paintings [16x]
Resource pack replacing all the paintings in the game with historical paintings
Head Cosmetics
Fun Cosmetics to customize your character!

Boat HUD (from F1 2023)
F1 HUD for Minecraft boats
Void Block Fabric
Simply adds a block that renders the End Portal effect. Works with or without shaders!
Ores Glowing: Additional
Ores from other mods now glow!
Annhilati's Dungeons Style
An Adaptation of Minecraft Dungeons' Textures with Compatibility, Logic and Beauty in Mind
Kitty Mod
A mod that adds a bunch of cat themed items such as collars, treats, and a cat bed!
Biome Fest
A vanilla-like mod adding 14 new biomes without any new blocks or items.
AbilityCraft for Cobblemon
With this addon you can now craft ability capsule and patch in minecraft 1.21.1 for the 1.6 record catch update ! Simply put the pack in your datapack folder
Physical_structures API
Adds the ability to generate physics structures from Create aeronautics using the API during world generation.
Quality Time - Beautified and Optimized
Vanilla plus A LOT of visual enhancements and Quality of Life mods. Aiming to make the game prettier and convenient. Client-side and optimized with Distant Horizons <3
ISAT GUI
In Stars and Time themed GUI! Almost entirely monochrome with some red :3
BrandBlocker
Block any client brand easily.
ResourcePack Server
A small server to host server resource pack when Minecraft server launch
Battery Status Info
In-game battery status info
looshyblock
a different look for hypixel skyblock!
Awakened Islands
A Create: Aeronautics Addon that adds physics-based floating islands to world generation!
Custome_Totem Skin
Adds a custom Totem of Undying texture based on your Minecraft skin, created with SKINMC. Simple, clean, and perfect for personalized gameplay.
AutoRefillX (Client)
Automatically refills your hotbar slot when you run out of blocks or items while building or mining.
Asafusa's Tree Vein
Break one part of the tree(log) and it will break the entire tree.
Configurable Zombie AI
A simple mod written in Kotlin that gives server admins several options to customize the vanilla zombie AI including with some brand new AI features. Also works in singleplayer!

No Discounts
Removes villager discounts!
Industrial Foregoing:More Upgrade Plugins
Add more types of upgrade plugins for Industrial Foregoing.
Trigger Mobs
(also 1.21.1-NeoForge) Makes NTGL [NukaTeam's Gun Lib] guns and Create: Gunsmithing guns usable by mobs and guards/recruits from guard-villagers, and recruits mod if they are holding them (also with spawn logic and loot integrations support)
Ominous Phantoms
Ties Phantom spawning to Bad Omen rather than Insomnia and gives them new features.
EaglerXBungee
This Allows EaglerCraftX Players to join your Server but you need an Cracked Network
MysticRift: Music DISCONTINUED
Tons of new music disc. non copyright!
Haimiya
This project is a Haimiya gui pack