Minecraft Java 1.21 Mods
Browse 2,085 free mods for Minecraft Java 1.21 — popular picks include Up and Away, env.json, PvP Music.
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Up and Away
A mod about balloons, made for Modfest: Carnival
env.json
A small FabricMC library allowing to convert an `env.json` file into a Java Object. It is mostly used by Environment Driven Assets and Environment Driven Data.
PvP Music
For even more dramatic fights! Easy to include resource pack compatibility for your custom songs. One random song plays when engaging with a player or (if enabled) with a mob.
Chaos Cubed Content
Chaos Cubed (Upcoming 26.2 Game Drop), but Re-imagined and Re Implemented
Escape the Backrooms
This mod adds 5 levels of the backrooms! On future updates even more.
DivineDrop
Drop Remover | Name Display | A lot of Languages | Shift Item Picker
Broadcast++ | The Ultimate Broadcast Plugin
Customizable broadcasts for chat, titles, and images with gradients & rainbow effects
Head Hunters
Adds configurable Mob and Player Head drop chances. Includes Hunting lodges and Head Hunter Villagers for trading mob heads.
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Improper's 3D Minimap
Minimap but with 3D terrain. Enhance your survival caving experience with this radar!
More Extra Shield Variants
Wood variants for all the shields from IMB11's "Extra Shields" mod
Horarium
Adds the Hourglass, an essential tool for keeping track of time!
Wax Item Frames
Makes item frames wax-able like signs.
Block Beams
A very simple mod that spawns a beam of colored particles above a block.
Stardom's Flora
A mod that adds more flowers and plants to the game!
AsAntiSpam
Advanced anti-spam protection for Paper servers featuring Smart Detection, ShadowMute, Auto-Learn Patterns, Progressive Punishments, Discord Webhooks, and Per-World Rules.
Ultimate Essentials +
All-in-one PvP & clarity resource pack: visible invisibility, no darkness, smooth fonts, 3D mace, and lightweight performance optimizations
Simple Shopping
Allows for simple, scam-free, grief-free shopping on your survival server!
Legacy Landscape
Legacy landscapes for your lugubrious level.
SG Tracks
SG Tracks adds tracks that work like regular wheels for Create Aeronautics. You don't need any extra mounting blocks — just place the tracks directly on your machine and build your contraption.
Colorful Depot
Compatibility for Create: Colorful Pipes & Dye Depot
EMF Compat: Exposure
Makes Exposure work correctly with animated EMF player models.
Geode Mania
Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!
The Forgotten Man
A hand-built DELTARUNE Chapter 5 dimension you reach through a craftable door. The tree room, the man behind the tree, and a shader based portal you can see through.
EMF Compat: Take a Seat
Makes Take a Seat work correctly with animated EMF player models.
Better Nametags
A mod that adds a few quality of life improvements to the rendering of nametags.
Orevolution
An upgrade to minecraft's mining experience!
Image Previewer
Preview images in chatbar easily, efficiently. (No resourcepack needed)
Hat Club
Purely server-side or singleplayer. Dyeable, enchantable, repairable, protective hats with fun acquiring mechanics.
EventCore
Events made easier
Global Emeralds
Unlocks Emerald Ore to spawn in all biomes.
Smooth Particles Reborn
Adds the functionality to spawn particles when you place a block (reborn)
Moar Helmets
Moar Helmets adds new helmet types to the game. This pack doesn’t focus on statistical upgrades but instead aims to add helmets that have special abilities and traits.
Environment Driven Assets
Environment Driven Assets is a FabricMC mod which implements the env.json library in order to apply it on vanilla asset types.

My Trims
This mod adds Client side armor trims it has all the trims and customizable using mod menu can save 4 load outs use Shift + B and B to turn it on and off all rendering is done Client side works all servers.
MightyRacingMod
A mod that will take your boat racing experience to a next level!