Minecraft Java 1.21 Mods
Browse 367 free mods for Minecraft Java 1.21 — popular picks include Simplexium, TPA Utilities Neo, Wynngineer's Vision.
Updated daily
Simplexium
All-in-one Minecraft expansion: powerful automation, smart interactions, mining mechanics, and visual tweaks.
TPA Utilities Neo
Add "Ask for Teleportation" commands to your server!
Wynngineer's Vision
A Wynncraft recolor that's mostly blue. Some machinery attached.
Improper's 3D Minimap
Minimap but with 3D terrain. Enhance your survival caving experience with this radar!
Psi: Tweaks and Additions
An addon for Psi, Sci-Fi magic mod by Vazkii
Sturdy Vehicles
Changes which items are dropped by minecarts. Also adds some quality of life recipes.
Commanders Utilities
Modpack for command users. Included optimizing mods and utilities.
Alathra+
A performance and quality of life modpack made for use on both singleplayer and multiplayer Minecraft.

Modernized Mekanism
A resource pack which fixes and improves Mekanism sprites.
Mekanism Tweaks Neo
Addon for Mekanism
[MODS SUPPORTED] StoryAnvil's Universal ore highlights
Ore highlights compatible with create, mekanism, ad astra and others
Omni Utils
A Mod that is Inspired by Extra Utilities
Alternate 3D Mace
Bonk machine now upgraded to 3D!
auto totem elite🟡
Undetectable auto totem, actually opens your inventory, fully configurable utility mod for all forms of PvP
Reverb Compass
Adds waypoint teleportation to the game as a vanilla-esque feature.
Fair Trade
Fair Trade mod adds currencies and other trade utilities, which would be useful for Multiplayer.
Clutch
In some cases a clutch will be impossible. This mod shows whether a clutch is doable and how difficult it will be, alongside many other clutching utilities.
Simple Pickaxe 7x7
Simple Pickaxe 7x7 is a straightforward utility mod that upgrades mining efficiency by allowing a pickaxe to break a full 7×7 area of blocks at once instead of just a single block.
Rusmers Pack
Pack created for Quality Of LIfe and Optimization Minecraft
Old school mc+
"Old School MC+" is a modpack combining classic Minecraft with the alpha and beta era. It features elements like non-stacking food, a hunger bar, and mobs dropping items from the old days. It introduces new features such as a minimap, and shaders.
Engineering Journey
A Vanilla+ modpack based around Create, generation mods, and some quality of life
Extra Utilities: Reutilized
A modern remake of the old-but-gold mod "Extra Utilities 2" by RWTema.
Neutral Oritech
Make Oritech mod more neutral for build.
Map Tools
Essential utilities for creating maps or building. Create smooth animations, realistic message printing, resource pack management, block display tools, danger command checker, position saver and much more
Legit Elytra Swap
Legit Elytra Swap is a client-side utility mod that automates the hotkey-less swapping between chestplates and elytras in a "legit" and visually consistent manner.
CPvP Utilities
CPvP Utilities is a Fabric Client-side mod designed to enhance the Crystal PvP experience, providing a set of utilities that streamline and simplify common combat interactions, all configurable through an in-game ClickGUI.
Core Utilities
A futuristic tech-meets-automation mod for Minecraft, designed to expand the game’s core functionality with high-efficiency tools, modular machines, and directional logic systems.
Ley's Modpack
Ley's Modpack is a client-side Minecraft enhancement pack focused on performance, visuals, and UI improvements. It includes mods like Sodium, Litematica, and Iris for optimization and building assistance, alongside immersive sound and graphical tweaks.
TBST: Tomtaru's Block Smelting Tweaks
Dynamically Create Recipes for Smelting and Blasting Raw Ore Blocks Based on Common Tags
Developer Toolkit
A developer toolkit modpack with a collection of useful utilities and game optimizations. Works out of the box - Developer's Toolkit by @JosTheDude
Hollow's Tweaks
Some very funky additions
Ultimate Growth Tweaks
Right-click to harvest crops, squat to grow plants, and protect farmland from trampling. Fully configurable with AE2 and Mystical Agriculture support.
Solar Neutron Activator Tweaks
Enables the Solar Neutron Activator from Mekanism to operate continuously, regardless of sunlight or weather, making automated production more reliable and convenient.
Cobblestone Generator Tweak
Tweaks the vanilla cobblestone generator to produce multiple stone variants (fully datapack-driven)
Odyssey Map
Explore. Navigate. Never get lost again. A clean, lightweight minimap and fullscreen map for Minecraft.
Cobblemon Riding Tweaks
Configure Pokémon riding speed and stamina drain.