Minecraft Java 1.21 Mods
Browse 126,320 free mods for Minecraft Java 1.21 — popular picks include Crowmap, AxVaults, Compat API.
Step by step: How to install Minecraft Java mods & modpacks
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Crowmap
Make maps update anywhere in your inventory.
AxVaults
A lightweight permission based vault plugin that can store ANY item
Compat API
Universal compat api that auto-loads integrations, data packs and loot modifiers for mods that depend on it.
FormicApi
API and utility classes common to mods of the Ant Colony
Zerotekz's Blades of War 2
Adds 3D weapon/shield models to MC! (Custom Item Textures)
Better Brightness Slider Respawn
Modify the player's gamma brightness to make the world brighter
Show Me Your Build
Inspect Players build!
Universal Font Tester
Instantly preview and test any Minecraft font with easy in-game commands — ideal for creators, resource-pack artists, and modpack designers.
DimLib
Provides dynamic dimensions functionality.
Hamster of Undying
Adds an animated Hamster Totem that replaces the Totem of Undying
Glass doors and trapdoors
Simply adds doors and trap doors made of glass to the game
Player Chains
Try and beat Minecraft chained together!
BloodMagic AE2 Addition(and NeoVitae)
BMAddon integrates Blood Magic and NeoVitae with Applied Energistics 2, adding blood-powered automation for ME networks.

shuriart Font
Smooth, rounder font, made to balance the letters and ease legibility, supporting a wide range of letters from Latin, Greek, Cyrillic, Arabic, Devanagari, Japanese, & more!
Cobblemon Plus+ The Top Pokemon Adventure in Cobblemon - Cobblemon 1.7.3 - Mega Cobblemon - Legendary Cobblemon - All Pokemon
Pokemon in Minecraft, the #1 Cobblemon experience in Minecraft.
Global Trades
Makes the curing process of villagers universal; once a villager is cured by a single player, the discounted trades are available to all players.
Stacked Blocks: Supplementaries
A compatibility mod for Stacked Blocks and Supplementaries.
Nemo's Vertical Slabs
Add vertical slabs to Minecraft!
Mobs On Rails
Normally mobs won't walk on minecart rails. They have their reasons, and I can respect that, but I don't.
More Buttons
This mod add about 240 new Buttons and pulls textures from the block of minecraft vanilla.
Exline's Diamond Shards
adds diamond shards, similar to iron nuggets
Create: Bits 'n' Tracks
This mod will allow you to make tracks with a belt/chain system from the Bits 'n' Bobs mod! Wow!
Create Iron's Spells Recipe
Create mixer recipes for Iron’s Spellbooks inks, from Common to Legendary. Heated mixing uses 500→250mb; unheated uses 1000→250mb. Includes Divine Pearl → Arcane Essence via mill/crusher.
Small Biome Towers
Adds biome-specific towers to the world
B&W Shader
A shader that completely turns your game into a black and white version
Shear Corals
With this mod, you can mine any type of coral with shears to get the corresponding item!
Beans Backpacks
A Backpack mod where Aesthetics meet Functionality. Overhauls Minecraft's inventory by building on the Bundle's mechanics.
Cybernetic System
An industrial mod in the style of the "future", which allows you to improve your genes, create implants and even create weapons. You can become a cyborg and improve yourself in different ways and use your abilities for Energy.
CrazyThings
A chaotic and humorous mod that adds unique items, tools, and features tailored for multiplayer fun.
Compatible Sword Enchantments
Makes sharpness, smite and bane of arthropods compatible with each other.
JustEnchants
Enchant over the natural code!
Soartex Forever
Fan continuation of Soar49's "Soartex" from 2011-2012.
NotBounties
GUI based bounty system with Placeholders and MySQL
Madxray hacks
Hack menu for neoforge, highly configurable
Mace 3D item HMI
An unofficial modified version of Mace 3D item made to make it look better when using the Hold My Items (HMI) mod.
Rain Growth
Speed up plant growth time when its raining.