Minecraft Java 1.21 Mods
Browse 126,749 free mods for Minecraft Java 1.21 — popular picks include FastArena - Modern Arena Reset, LetThemDespawn, IMMERSIVITY reborn.
Step by step: How to install Minecraft Java mods & modpacks
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FastArena - Modern Arena Reset
FastArena provides fast, lag-free, and fully automated arena resets
LetThemDespawn
Despawns mobs that wouldn't be able to despawn otherwise when far away
IMMERSIVITY reborn
Pushing Minecraft's limits with the most immersive mods. If you like vanilla-like modpacks, this is not for you.

MakeMegasGreatAgain
Buff weak Mega Evolutions
Unique Holograms | Holographic Displays Alternative with Colors, RGB & Placeholders
Create fully customizable holograms with RGB colors, PlaceholderAPI support, and an intuitive comman
No Despawing Items
Items no longer despawn!

LightBlockPlus
Allows Survival mode players to break or modify the light level of light blocks.
GuppyCosmetics
GuppyCosmetics is a Minecraft plugin for Paper/Spigot servers that adds customizable visual accessories including hats, backblings, and balloons with special effects like camera overlays and physics-based balloon animations.
Optimised and Reworked
Modpack focused, not only on optimisation , but also on gamplay expirience
NoBadGrief
Turns off mob griefing, but keep the good ones
Chino's Weapons
Mod inspired by Chino's Weapon Idea Short.
DP-SimplePrefix [1.16-1.21.10]
simple chat prefix plugin
Bundles Tweaks by Ane
A mod to improve the budles making them more usefull
Zombie Tag Lite
Fun zombie tag/infected mini game for your server
İklim's And Çınar's Warden Features
This Mod Basiccly Adds A dimention, new mob, new tool set, new armor set, new biome and biome's blocks and wood
Item Model Applicator
A set of functions for applying item models and complementary models!

Half-Heart Minecraft
A Datapack that will make Minecraft Half-Hearted!
ETERNITYMINE - The modpack
Modpack to improve the experience and optimize the game
Missed Tinkering
The combat and tinkering update added some cool things! This mod expands on the tinkering theme to provide some fun new redstone items.
TimeRestrictedJoin
Join server only during specified time periods.
SendHub
This can help you to send to the lobby
Warps
Free Customizable Warps system
Picasso
Casso is a specialized client-side mod pack created to boost frames per second (FPS) in Minecraft. This mod pack includes a selection of performance-enhancing mods that optimize the game's rendering processes, and reduce lag.
MrMeowMeow's Alternate Music
This pack replaces most of the vanilla music in Minecraft with various tracks from the composer MrMeowMeow on YouTube.
BukkitSRV
Bukkit rpc allows you to show that you are running a Minecraft server in Discord.
️ ChatFilter Skript | Clean Chat Protection
Designed to block unwanted words while avoiding common false-positives.
Gardenia's kaleidoscope punchy addon
This is a Punchy! animation add‑on resource pack for the Kaleidoscope Cookery mod, adding custom item models and first‑person animations for foods, kitchen tools and actions.
Iron's Spells 'n Spellbooks: Recolor
This mod adds a Recolor Tablet which allows you to change the hue of any spell in Iron's Spells 'n Spellbooks
Born to be Human
Addon for Wildfires Femal Gender Mod, which aims for a realistic Gender System
Latex Puro Puppy (Changed)
Latex Puro Puppy is an unofficial, standalone Fabric mod for Minecraft 1.21.11 that lets a player become a small black or white Puro puppy while keeping vanilla gameplay.
Mouse&mouse
Mouse-mouse is a client-side input-splitting mod for Minecraft 1.21.1 NeoForge. It is designed for local multi-instance play, multiple keyboard/mouse setups, local co-op experiments, and input testing.
Redwork
Redstone automation mod
DisabledEnd
Disable the End dimension. Server-only.
Enchantment Amendment
A few amendments to vanilla (and some modded) enchantments!
Create: Extensive
Create: Extensive is a large 1.21.1 NeoForge modpack centered on Create and its many addons. It offers massive automation, factories, building, and world exploration with tons of content.

Flaming Snowballs
Makes snowballs turn into small fireballs when on fire. Works with flame enchantment.