Minecraft Java 1.21 Mods
Browse 1,917 free mods for Minecraft Java 1.21 — popular picks include FlezerBoxes, glfw-input, invitemframe.
Updated daily
FlezerBoxes
A high-performance crates plugin featuring ultra-fast 2-turn animations, HEX-colored rarities, unique Rune mechanics, and interactive global broadcasts.
glfw-input
Client side mod that uses GLFW input polling for lower latency input, and more.
invitemframe
invisible Itemframe with sneak right click
BlackUtils
a Utils Plugin from BlackDev just like the famous plugin Essentials.
Player Input
Handles polling based input detection, made possible by the type-specific input field on players, provides easy & useful DX for tracking and acting on changes in this data.
Version Blocker
A Velocity plugin to allow only a single game version. Display a custom message if the version is incorrect.
PhantomGuard
Prevent Phantom spawns with player-specific permissions.
Structure Overload
Transforms your Minecraft world into an endless sprawl of structures, spawning vanilla dungeons at every step without compromising game performance.
Log Block Tool
LogBlockTool logs block breaks, placements, container transactions, and player interactions on a Minecraft server. It’s lightweight, fast, and designed for Paper/Spigot with SQLite or MySQL support.
DrawerShelves
Drawers storage system 100%server side using shelf blocks
SwiftHarvest
Mine Faster, Lag Less. The Ultimate Vein & Timber Solution.
Cobblemon Modpack by ur_jolly
Cobblemon Modpack turns your Minecraft world into a Pokémon-style adventure with mechanics similar to the Pokémon games:
TheLarkzTakeover
This custom modpack is designed for players who want the perfect balance of top-tier performance and smooth combat mechanics in Minecraft.
BsruEnderChest
BsruEnderchest is a high-performance Ender Chest plugin for Spigot, Paper, and Folia servers. It enhances the vanilla Ender Chest with more storage, multiple pages, cross-server synchronization via MySQL , all designed to be lag-free.
AliienResize
A free, high-performance, and most complete player scaling plugin for your server.
Traders Shrine
A centralized Villager Trading Hub for your Trading Halls. Features Bulk Trading, Upgrades and more QoL.
SemiVanilla
A Vanilla+ modpack which aims to improve the core mechanics of Minecraft without adding anything new.
Better Pathfinding
A mod that fixes vanilla mob pathfinding bugs / 修复原版生物寻路缺陷
Enough Crashes
💥 Enough Crashes: The mod that makes Minecraft crash ON PURPOSE when you perform certain actions! Real crashes, humorous messages.
Welcome pluging
💜 Welcome Plugin by Goku A fully customizable welcome and join plugin for Minecraft Paper/Spigot 1.21.1 ✨ Features: Custom join, leave, and death messages Big title + subtitle + actionbar welcome Firework & sound effects on join /discord or /dc →
Kaizen Homes
Kaizen Homes add a modern player home solution to your server
Combined Craftables
Combines all those singular (Craftable _____) mods into one place!
Recipe Book is Pain (Extended)
A port of Recipe Book is Pain to newer versions, along with new features.
Auto Delete Items
Keep your inventory clean by auto-deleting items you pick up.
Better Multiplayer - GF
Make vanila mutiplayer feel better by adding some custom function
Combat Metrics
Combat Metrics is a client-side Fabric mod that tracks your PvP performance and turns your death screen into a detailed analytical dashboard with visual graphs.
Tungsten
A precise, lightweight HUD overlay for tracking Minecraft stability.
G Rated Maps
a mod that stops maps from rending and makes them blank. its plug and play put into your mods folder in .minecraft and load up with version 1.21.4 and your safe from map arts on any anarchy server fully made by ai! i did not write a single line of code!
HomeForge
Modern Paper plugin for setting and managing homes with GUI, teleportation, and high performance.
SYSTEM SMP
System SMP is a premium Minecraft plugin designed for survival multiplayer servers. It adds unique features including small caps text formatting, tree felling mechanics, custom item displays, and an economy-based spawner mining system.
OGDuels
OGDuels is a lightweight, high-performance Duels, FFA, killstreak, bounty, and leaderboard module designed for competitive Minecraft PvP servers.
Tuff VeinMiner
stop wasting time mining like a peasant 💀. Tuff VeinMiner is the most cracked mining plugin out there. no hunger drain, no destroying your expensive pickaxes, just pure efficiency. ty 692443774105813023 for the icon(30 seconds in paint btw)
ShortCutCommands
A Paper 1.21.4+ plugin to create in-game command shortcuts that forward to existing commands.
Petrify an Oak Slab│石化一個橡木半磚
Added Petrified Oak Slab recipe.│添加了石化橡木半磚配方。
Distant Horizons SeedGen
Faster and more optimized terrain generator for the popular LoD mod Distant Horizons
Folia Shop
A modern, high-performance shop plugin built for Folia, and modern Minecraft servers. FoliaShop combines a powerful GUI shop, Worthify-style selling system, Auction House, Custom Items Support, advanced item matching, in-game edito