Minecraft Java 1.21 Mods
Browse 129,040 free mods for Minecraft Java 1.21 — popular picks include ThrowableFireballsPlus, Structure debug, Armorium.
Step by step: How to install Minecraft Java mods & modpacks
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ThrowableFireballsPlus
Add configurable, throwable fireballs to your Paper server. With per-player block damage control, PvP-friendly explosions, and full protection support.
Structure debug
Structure Debug is a Minecraft Fabric mod designed to assist mod developers and map makers in debugging and testing structures. It provides a dedicated dimension where registered structures are generated in a grid
Armorium
Plenty of armors, powers, and much more!
Snow Golem Health Faces
Get a visual of the health of Snow Golems from their new facial expressions! (Optifine/EMF/ETF Required!)
Minecraft, but block are liquid
This mod turn blocks into liquid
ResourcePack3000
a texture pack that replaces some food with Joyride candy, made for ryan3000 (Ryan Trahan)
️RealDropIt | 3D Items [+1.21.1]
Enhances dropped items with smooth, customizable '3D' visual displays on the ground.
Cobble Helper
Cobble Helper adds a helpful mob that automates cobblestone generation by working directly at a Cobblestone Generator. The mob harvests cobblestone for you, turning a simple early game setup into an efficient automation solution without complex machines.
Pirate Villagers
Sounds kinda cool but is actually just villagers with eyepatches
Global-Boosters-Fork
Plugin that add Server-Wide Buffs & Events
F3Commands
F3Commands is a client-side Fabric mod that provides easy access to Minecraft's debug information through intuitive slash commands. No more memorizing complex F3 key combinations - just type what you need!
Anti-armor-dura-packs
Lightweight Minecraft plugin designed to spoof the durability of equipped armor to other players.
I37c's suited mobs x FA
Suited mobs, compatible with FA
Drop2Inventory Premium - Advanced & Lag-Friendly Drop Collection System
No more item entities. No more lag. Just clean, direct drops!
RTSettings
RTSettings is a simple plugin that allows players to turn certain settings on and off.
SvisualsMC
The project has many mods of optimization for fps boost. This pack mainly made for upgrading the Minecraft Visuals.
Copper Expansion rp
Copper expansion need resourcepack
Lite Optimized - F.A
Lite Optimized – F.A is a lightweight optimization modpack built for smooth and stable gameplay. It boosts FPS, minimizes lag, and keeps the original Minecraft experience intact.
NSB Utils
This is a Stoneblock Utils Mod for a modpack named New's Stoneblock that adds some nice utils for stoneblock
Boom Smp Chunkers Modpack
🇩🇪 Kurzbeschreibung (Summary, Deutsch) Das offizielle Client-Modpack für den Boom SMP Server – optimiert für Performance, Komfort und die Chunker-Community. 🇬🇧 Short Description (Summary, English) The official client modpack for Boom SMP – optimized
Strapped Planks (The Jobless Barrels)
Since nobody done it in every modding community, fine I'll do it myself
ChatBubbles | See messages above players
Chat above your head!
Time Crafting Table
A Vanilla+ mod that introduces a progressive, time-based crafting system with powerful speed and range upgrades.
Duely
Server-side consent-based combat
Masser Modpack
A Minecraft modpack for the Masser server with custom races, enhanced graphics, and performance optimizations.
Kaizen Homes
Kaizen Homes add a modern player home solution to your server
LGBTQ+Happy Ghast
LGBTQ+ Happy Ghast – a resource pack that replaces the standard Ghast Harness with the colors of the LGBTQ+ flag. A simple and bright visual change so any player can wear it and show support for diversity in the game.

Application
a mod that makes the game faster and adds some cool feitures
DannyMC
A Vanilla+ modpack meant to be played by everyone!
Woods+
Adds New Wood Types to Minecraft
Sculk Vault
Adds some sculky features to make the ancient cities more enticing
HardProof
HardProof let's you check whether you have cheated on selected world or not. Very useful while trying to convince your friends that your world is pure survival
TeleFabric
A fabric mod bridging connecting your server to your Telegram groups
HalfGravityPull
This is a mod, that pull the players at half gravity, not just down, at X row in 3D
Auto Feed Me
Automatically feeds your player!
Spectacular Sponges
Adds more sponges to the game to make cleaning up your world so much easier! (Also adds a cool new nether biome where lava sponges come from)