Minecraft Java 1.21 Mods
Browse 127,361 free mods for Minecraft Java 1.21 — popular picks include Tropical Fish Collection Helper, Wash Dyed Items, Velocity Server Switcher.
Step by step: How to install Minecraft Java mods & modpacks
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Tropical Fish Collection Helper
A client-side helper to find and collect rare tropical fish variants.
Wash Dyed Items
Wash any dyed items to turn them white.
Velocity Server Switcher
A Velocity plugin that provides a permission-based server switching system .
Zet's Grace: Recraft Equipment Plus
Recipes for repairing and enchanting equipment, added item data is lost.
Amethyst Revamped
A mod that completely revamps the Amethyst Ore, adding a new tool + armor pack, a new shield, new blocks and more to come!
Copper Armor Icons
repaints armor icons in orange (like copper)
Melodial
Bring the soundtrack to life-when you want, where you want.
Creative Night Vision
Adds keybind to toggle Night Vision while in Creative or Spectator mode.

PlayerLevels
Player leveling solution for server networks.
Completionist
A Data Pack for obtaining all blocks and Items within Minecraft but within a world border.
URGD - Cinematic ModPack
A modpack that makes Minecraft ultra-realistic with enhanced shaders, textures, and lighting while staying optimized.

Pig Mod - Plus Edition
This is the sequal to Pig Mod. But mostly made for Pig Mod. Adds things for what were going to be in Pig Mod 1.3.1 and so on.
Perspective Lock
The Perspective Lock Mod restricts the use of F1 and F5 keys in Minecraft, locking players in a specific perspective and maintaining HUD visibility for consistent gameplay.
Rena's Sand
Tweaks Sand & Sandstone's textures, along with giving Red Sand a change in pallette!
Pocket Chamber - TPA alternative
This mod makes the Stasis Chamber a portable item that you (or your friends) can take with them
SpawnerLoader9000
Loads your spawner even if you're far away.

Prototype 0.3
currently just adds some custom armor and weapons not much. later there will be bosses, extra mobs, A third set of armor, even more weapons, maybe vehicles, and a lot more.
calm4.ogg ONLY
Replaces almost all music in the game with Notch's calm4.ogg
Arms and Valor
This is my first mod, please respect the time it takes as I am still learning.
Low on Fire Orange
This packs makes your fire orange and not moving perfect for pvp.
Vertical Slabs Everywhere
Adds a vertical slab for every slab any mod registers — wood, stone, brick, any material. No configuration needed.
Azu's Enhanced Zombie Variants
Provide variety to the undead with custom textures and models for Zombies. Requires EMF/ETF

Authority Admin
The ultimate Admin Panel GUI for Minecraft servers. Manage players, economy, punishments, effects
Thanou's Discs
The texture pack replace all the music disc with meme music.
zzzZombie World
Makes the game only spawn zombies
👻Ghost Shader RP
This resource pack makes all players transparent and gray.
Hudier
Shows a live Paper Doll of your character, riding status, biome, time, and day on your screen. Fully customizable!

Copper Storage
Adds Copper Boxes that work like Shulker Boxes with limited space.
chocogaps
this 3d resourcepack provides chocolate gaps, with white chocolate being a normal golden apple, and the dark chocolate being an enchanted golden apple
lifestealXX
A lifesteal plugin made by Robin
More Pet Variation!
[beta!!] Makes each pet animal look unique.
AuryxCore
Modern EssentialsX alternative with teleportation, economy, player utilities, and cross-platform support. Built for Paper, Folia, Velocity with VaultUnlocked integration.
LockIn
The best authorization plugin. Fully customizable, optimized and functional.
Rainbow Transition Enchant Glint
Give glint effect a new look, Compatible with 1.15+ versions. The visual effects of this resource pack may differ slightly in versions below 1.19.4.
Offhand Placement Control
Keep your offhand in check. Stop it from placing blocks everywhere.
Crafter's Rotting Throne
A large assortment of mods encompassing Create, Mahou Tsukai, Apothesis, Combat, Mob, Occultism, and Ars Nouveau, along with several compat and Create addition mods. Made for friends, but you may find enjoyment.