Minecraft Java 1.21 Mods
Browse 126,758 free mods for Minecraft Java 1.21 — popular picks include Realism Reimagined [discontinued], SetBlock-TNT, Crazy Optimized.
Step by step: How to install Minecraft Java mods & modpacks
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Realism Reimagined [discontinued]
This Modpack focuses on almost all aspects of the game and makes it more realistic. I have been working on this Modpack for a very long time to improve it and make it as realistic as possible.

SetBlock-TNT
This data pack will continuously generate TNT under the players' feet.
Crazy Optimized
Crazy Optimized is a really great modpack that boosts your fps by 10 times so you can have a smoother gameplay
Music randomiser
Removes biome-specific music and tracks not by C418, and makes it so all music plays everywhere
Colonal Kingdom SMP RP
Resource Pack for the Colonal Kingdom SMP
No block outline
Remove the block outline when you look at a block
Aeronautics: Cogs and Clouds
A 1.21.1 powerhouse featuring Create: Aeronautics, nuclear engineering, airship combat, and massive dungeons—optimized for everyone.
Rainbow enchanting glint
makes enchantment glint rainbow colored
Heart Recolor - Purple
Changes the vanilla health hearts to be a purple instead of red!
Smoother Block Textures
This pack retextures some blocks commonly seen in PvP maps/arenas to be smoother and cleaner while still feeling vanilla.
Vanillia 3D-Tools
Gives all tools new 3D models!
Auto Trash
Allows the player to put items in a menu. If the item that was put in the menu and picked up again, it will be deleted.
EasyAFK (Fabric/Quilt/Forge/Neoforge)
EasyAFK is a simple but feature-rich AFK mod for all major mod loaders
Toasty's Jazzy Jukeboxes
Remodel's the jukebox to look like Gramaphones
Deepslate To Stone
Deepslate to Stone is a minimalist 16x pack that removes the jarring Deepslate texture from caves, replacing it entirely with the classic Stone texture for a clean, visually cohesive caving experience. A simple fix for cluttered caverns!
Immersive MC with no shaders
Make Minecraft Look Great without Shaders
CustomScreenMenu
A groundbreaking plugin that completely customizes players' screen option menus and features 3D mode
The-BedrockSMP
The-BedrockSMP is a feature-packed Fabric mod for Minecraft 1.21.x. It adds custom blocks, items, music discs, and gameplay enhancements, with built-in resource packs and optional Biomes O’ Plenty and Voice Chat support.

Early Game Fire Starter
Adds a tool similar to Flint and Steel for the early game (pre-Iron).
Cooked Porkchop to Bacon
Renames Cooked Porkchop into Bacon as the case of Steak
Bare Bones x Oh The Biomes We've Gone
Simplifying the new biomes in Bare Bones style
Cold Blue
A simple 16x Texturepack
LogoutAvatars [ DEMO ]
Transform player disconnections into visually stunning experiences!
ExplosionVisualizer
Use real-time 3D rendering to display various information about the explosion

CommandCensor
Mod that censors command input in chat.
Cassette Player Jukeboxes
Turns jukeboxes into cassette players
Ice And Fire x Create Integration
Create-based progression and Dragonsteel forging for the Ice And Fire mod.
From The Skies
A horror addon for TheBrokenScript that adds skyboxx_ and more.
RazeBoost [32x]
RazeBoost [32x] delivers clean visuals, custom skies, enhanced PvP textures, and smooth performance to help players maximize both style and gameplay.
Unstable Ban
A remake of the banning system on Unstable with optional timed bans - easy configuration
BareBones Merl Official
This project aims at replicating Minecraft's official Barebones texture leaked from Merl.
Cobblemon: Enderscape Spawns
This datapack adds Cobblemon spawns to the Enderscape mod's new biomes and structures, and adds new spawns to the end.

Realistic Cakes
Makes the cake item edible, with durability for each slice stage.
Totem's renamed
Rename your totem for a custom texture
No Creaking ❌
Disable Creaking in Minecraft by preventing its spawning and removing any that appear in the world
Modern Slanted Swords
Texture pack making swords in the modern version shorter and slanted