Minecraft Java 1.21 Mods
Browse 3,320 free mods for Minecraft Java 1.21 — popular picks include Arte, Revert 23w46a, Create: CROWNS x Create: More burners Compat.
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Arte
A mod/plugin that optimizes big server resource packs!
Revert 23w46a
Revert the changes made to the crafter and copper bulb in 23w46a
Create: CROWNS x Create: More burners Compat
Adds compatibility for the create: CROWNS heat exchanger to accept create: More Burners
CustomMace
Bored of the basic maces in minecraft, well this project makes the maces more enjoyable by adding custom abilities
XGamemode
You're not switching modes, you're switching dimensions.
Charcoal to Dye
Craft Black Dye from Charcoal
Vanish-X
Advanced vanish plugin where players can vanish / invisible and spy on other players with custom chats, effects and many more...
Cobblemon x Oritech Compat
This mod / datapack adds some compatability and new crafting recipes to Cobblemon using Oritech machines
Itemeditor
This is a powerful Minecraft plugin that allows you to customize items with an GUI system. Edit names, lore, enchantments, and add interactive actions to items - all without typing complex commands.
Unstable Universe Datapack (Wemmbu Nukes)
A datapack that adds many features from the popular scripted Minecraft series Unstable Universe.
Better Left Click
Allows you to use left click bind like normal but not lose out on the competitive and survival advantage of using a keyboard key.
Mechanical Horizons Aeronautics
A Create-focused modpack packed with add-ons that pulls you deep into a world driven by gears, machines, and endless automation.
Hopper Plus
Hopper Plus adds multiple tiers of hoppers with unique abilities to Minecraft! From filtering items to teleporting them across distances, these upgraded hoppers will revolutionise your automation setups.
Prism Performance
Adaptive performance optimization mod for Minecraft 1.21 designed to enhance FPS and reduce frame drops.
B-RTP
BlanketRTP is a Minecraft Fabric mod that offers customizable rtp (random teleportation), including biome-specific options. Enhance exploration with a gliding mechanic after the (RTP). Easy to configure and optimized for performance
VoiceChatZ
A voicechat plugin inside minecraft!
CoffeeG's Awful Lightning
Struck lightning on players more oftenly, can create fun & surprising deaths with lightning bolts.
CC Ballistix Reborn
Integrates ComputerCraft: Tweaked with Ballistix 0.9.2 for missile silo control and coordinate-based launches via the new control panel.
Cree's Dynamic Doors
Double doors will now open and close together or synchronize if one is open and the other is closed!
Cobblemon No Man's Craft Compatibility Patch
Fixes Cobblemon not spawning and asphyxiating on alien planets
In Game Calculator
Adds a /calculator command to Minecraft for quick in-game math. Supports basic operations, parentheses, crafting math, coordinate conversions, hopper timers, geometry, time conversions, and random number generation — perfect for builders, redstone engineer
Kinetic Weaponry
Small equipment mod made for ModFest 1.21!
Inhouse Guns
Creating my own personal spin on firearms for Minecraft.
Create: Enhanced Netherite Productions
Automate Netherite! With this data-pack you can build the netherite farm of your dreams!
Create: Strict Links
Makes Create Redstone Link frequencies respect data components (NBT), for more frequency diversity and even password protection via named items or written books.
Glowbrick's Printing Press Mod
This mod aims to allow enchanted book duplication. This is achieved utilizing the past technologies of a printing press. Glowbrick's Printing Press Mod was made for ModFest 1.21.
Ultimate Spear
Adds the Minecraft Live 2025 Spears with a focus on keeping accuracy on the features we currently know!
CustomCrafty
A plugin that allows crafting recipes with NBT support for named and enchanted items.
![Lantern [Anti-Xray]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/148171.webp)
Lantern [Anti-Xray]
Advanced X-Ray detection using machine learning
Hopplet (Hopper Filters)
Expressive hopper filtering, written as plain text. The most powerful plugin in this domain. Filter by any item property. Extendable via a strong developer API.
Create: Aeronautics/Ultimate Factory Recipe Fix
This datapack fixes a bug in "Create: Ultimate Factory" where the "compat" folder does not work on servers.
Radiated: A Crappy HBM_NTM Rewrite
A mod about technology, atomic science and nuclear weapons
SurShield Modification
Modpack that combines the mechanical genius of Create, the iconic Satsu Iron Man Addon, and the gritty superpowered chaos of The Boys: New World — delivering advanced automation, and an immersive world of limitless possibilities.
AntiSeedCracker
Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
More Search Bars
Add more search bars to various UI screens