Minecraft Java 1.21 Mods
Browse 22,200 free mods for Minecraft Java 1.21 — popular picks include Mocha's Enhanced Difficulties, GameHelper, Acatar.
Step by step: How to install Minecraft Java mods & modpacks
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Mocha's Enhanced Difficulties
A mod that adds lots of gamerules to customize the difficulty of entities
GameHelper
Adds a Helper GUI to your game, allowing to simply edit gamerules, tp to death position and ...
Acatar
Mod created by Phax709 that improves the basic content of Minecraft by adding new biome, ore and blocks, this mod is more based on exploration with plants and trees different from what Minecraft offers.
Hardcore Death
A paper plugin which deletes a player inventory upon death
yakut
this mod add yakut ore yakut items yakut armor yakut portal yakut golemcik's and yakut miner helmet
Romanian Dishes
A mod that adds popular dishes from Romania, including mici, sarmale, mamaliga and many more!
Silly Stuffs
Become the greatest businessman in all of Minecraft! Expand your business empire, sell your products, mine plastic, eat burgers, and have fun!
Count Blocks
This datapack adds a number to the items you have on the floor and if you throw an item that cannot be stacked in 64 its name is added
Gemstone Plugin
A PaperMC plugin that introduces 5 custom gemstones, and when combined, they make the SUPER GEMSTONE!
Waypoint Marks
Make your mark on your worlds with Waypoint Marks. The Locator Bar can show the way to places you mark
Gleamcraft
Gleamcraft adds a luminescent material to the game that has a unique toolset with a special ability, and material variants that can be used to more efficiently craft vanilla items
SeverTools
This plugin provides a comprehensive set of tools for server management, including features like AFK detection, short game mode commands, an economy system, and support for legacy combat mechanics, all configurable via YAML files.
Adjustable Chat History Length
A very small and compact mod that has 1 command which changes the length of the history of the chat.
Deep Drill Enchant
This adds a new enchantment that allows you to insta-break all deepslate block but can no longer break any other block
Shader Carry Forked
Fixes Carry On rendering bugs with shaders for Fabric and NeoForge.
XiaoShi's Furniture
A Minecraft furniture mod that adds interactive furnishings with GeckoLib 3D animations, bringing life to players' kitchens and laundry rooms.
CombatDistanceHUD
A lightweight, fully customizable Fabric client-side HUD mod that displays real-time combat distance information directly on your screen.

Chaos Structures
Every 60 seconds, a random player is chosen and a random vanilla structure spawns nearby. Players receive countdown warnings and a bossbar timer, turning every world into unpredictable chaos.
QuickPearl
The ultimate Ender Pearl system and Anti-Glitch engine. Fix pearl glitches, prevent suffocation, and customize physics with zero TPS drops!
DayWil's Mod
Items from my unreleased game "EnCountered" aswell as some fun Music Discs
MineBackupPlugin
This mod acts as a bridge connecting the powerful MineBackup application with the Minecraft. Backup and Restore your save with just a command!
Iceology
Harness the power of the cold...
HomesGUI-Plugin
A simple and clean Homes GUI plugin for survival servers.
No Boats
This mod removes all boats from Minecraft, forcing you to travel across water the slow way. It makes oceans feel bigger and exploration harder since you can’t just zip across huge distances anymore.
Sacred Settlements
A multiplayer oriented village ownership, land protection, and management mod with good compatibility.
Just Show Me Criteria
This Mod just shows the Criteria of an Advancement.
Glowing Invisible Mobs
Automatically applies the Glowing effect to all mobs under the Invisibility effect! 自动为所有处于隐身效果的生物附加发光效果!
CS_ANNOUNCEMENT
Name: cs_announcement Minecraft: 1.21+ (PaperMC) Java: 21 Command: /announcement <message> 🔒 Permission: cs_announcement.use (ops only)
VillagerNames Plugin
VillagerNames is a plugin that breathes life into your server by automatically assigning a unique name to every villager.

Choccy's Craftable Nametags
A vanilla oriented mod that simply adds a crafting recipe for nametags.
DisableBats
Disallows bats from spawning naturally in the world.
Harness Enchantments
Add 4 new enchantments to your Ghast Harnesses. Improving the Happy Ghast.
Warp-To-Crosshair
Warp to where you're looking with the press of a key (ALT by default). All client-side via vanilla commands.
Saddle Recipe Backport
Simply backports the saddle recipe introduced in the Summer Drop, 25w20a (1.21.6).
A Completely Ethical Mod
Removes most unethical behavior that players can perform on their mobs.
Lucid Realms
Adds dreams & nightmares to the game. *very much unfinished