Minecraft Java 1.21 Mods
Browse 133,255 free mods for Minecraft Java 1.21 — popular picks include Grayscaled Deepslate, Potion Icons Reworked, SmartEconomy.
Step by step: How to install Minecraft Java mods & modpacks
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Grayscaled Deepslate
Recolors Deepslate and all Deepslate blocks to match the classic gray of regular Stone, delivering a clean and cohesive aesthetic.
Potion Icons Reworked
Potion Effects+ adds bright, custom potion and mob effect icons for a clear, vanilla-style experience. Simple, colorful, and easy to recognize.
SmartEconomy
Lightweight, Modern, and Flexible Economy Plugin
Mining Ball
The Mining Ball data pack lets you instantly clear 10 \times 10 areas by throwing snowballs in Minecraft Java 1.16.2 to 1.21+. It replaces tedious digging with a simple, mod-free utility for rapid terraforming and excavation.
Poime's Mod Checker
Sends the clients mod list to the server. Made to catch people trying to use cheat clients.
Better Rail
Modernize your rails with this texture pack, turning them into sleek, embedded tram tracks. Ideal for urban builds and contemporary transport systems.
Anti Night Vision
This mod completely disables the Night Vision effect, very useful for people who hate Night Vision like myself!
EnhancedUI & Texture Pack
[1.21+] Transparent GUI And Vanilla Tweaks And some more
HalbCraft - Extra Items
A growing collection of custom items! As fun and minecrafty as possible!
Festivities
Celebrate the holidays in Minecraft!
Vanilla Deluxe
A Minecraft Performence and Feature Modpack.

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.

SimpleFlags
Adds extra flags to be used by WorldGuard regions
Visible light gray stained glass pane
Now you can find it in the inventory
Dysfunctional's Graphic Overhaul
Making your client as fancy as possible while also improving performance.
Fantasia Official
A smol client-side pack based around the Fantasia Network
Monkey Craft Smp
Modpack for monkey smp server
SyncModPack
Automatically sync your mods when joining a server! No more external launchers or tedious manual installations required.
EpicGMOD3's Backrooms Blocks
resource pack of a bunch of backrooms blocks
Visual Recipe Edit-World
This mod provides a visual GUI for editing various world interaction recipes. Rules can be added, modified, or deleted through menus, taking effect immediately and saved persistently.
Jonshu's Crypts
adds survival friendly crypts to minecraft
Aetherwinds
A modpack for the Aetherwinds SMP
SFM-Flow
A Re-imagined SFM with Flowcharts
HALO Major 117 Armor
This ResourcePack add Major 117 armor with 7 variant Color.
LastMines
A plugin for automines with flexible customization for versions 1.21–26.3
Create: Just for Fun
Casual Create focused Minecraft modpile.

Bipki
Replaces emeralds with so called bipki
The Garden Awakens Panorama
The Creaking has gotta be one of the weirdest & scariest mobs that there are in this game. But as scary as one may be? It looks mighty nice as a trophy for your main screen!
Vanilla Video Player
Video Player driven by DataPack and Resource Pack
zzzZombie World
Makes the game only spawn zombies
AgalarMC Vanilla
1.21.11 Fabric | A vanilla compatible modpack that solely boosts fps and improve visuals.
Creative Hotkey Fix
Allows quick swapping for non number hotkeys in creative mode search menu
Floating Doors
This mod prevents doors breaking when the block under them is broken.
Uncraftable Enchanting Table
A datapack/Mod that makes the Enchanting Table Uncraftable
Farting
Occasionally, players fart when they crouch.
Hungry Iron Golems
Allows Iron Golems to pick up and consume certain iron items from the ground or the new Iron Lunchbox storage block to restore health.