Minecraft Java 1.21 Mods
Browse 2,072 free mods for Minecraft Java 1.21 — popular picks include Industrium Mod, Swift Shafts, WinterWorld.
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Industrium Mod
Industrium is the all new mod for revamping your minecraft with a fresh set of items and blocks!
Swift Shafts
A very useful "elevator" mod that removes the need for boring stairs and ladders.
WinterWorld
A simple mod to prevent snow from disappearing near torches/light in general.
Grippers
A horror-comedy mod featuring a custom dimension, cryptic secrets, explore carefully, there's more going on than it seems.
LobbyItems
These are 3 lobby items/cosmetics. You can basically edit anything in the config about the looks of the plugin.
Region Selection Viewer
A WorldEdit and Axiom selection viewer for precise building and visualizing in Mini-maps.
oSzoukaua's: Leaf Litter
A little datapack that makes decaying leaves drop leaf litter or petals on the ground!
Visual HUD
A clean, fully customizable client-side HUD overlay for Minecraft 1.21.11 Fabric — shows coordinates, FPS, biome, time, direction, light level, speed, day count, dimension, compass, and FPS sparkline with an in-game config screen.
Just a Green Screen
A green screen block for video and photo creation.
Ornithia
Adds birds, tameable owls, sickles and straw.
CustomMc
CustomMc is a lightweight client mod that lets you personalize Minecraft’s UI, including the window title, loading text, title screen buttons/background, and an in-game watermark, all from an in-game config screen.
Label My Items
Adds item labels, which can label items
Wax Wand
A datapack to craft a wand for waxing/unwaxing copper. (Single 1x1 / Area 5x5x5)
Random Name Generator
Generates random names for entities as you name them!
PlayerTrail
Adds visible steps of the player
HotbarCustomizer
This mod allows you to fully customize your hotbar to match your personal style and gameplay needs. transparency, and overall design for a cleaner and more modern HUD experience.
Custom Light
You can customize the light level of all blocks.
Comprehensive Woodcutter
Datapack adding every possible reasonable wood-related recipe to the stonecutter
Mogrul Gravestones
An alternative, simple standalone gravestone mod for keeping inventory with slot memory!
Ghost Frames
Invisible item frames with chest click-through and GUI
Realistic Rain Mod
With Realistic Rain, rain above the height 192 is not rendered.
The Secret of Minecraft(The Secret of the Mimic mod)
Adds a mechanic to the Iron Door, so that when you place an emerald block next to it, it becomes permanently blocked, preventing any redstone signals from reaching the door. And how can I open it? With the Data Diver! This is your master key, allowing you
Chat - Campfire
Simple minecraft chat plugin. Only what you need for a regular server on Minecraft.
PlotMe
Plot management plugin for Paper 1.21+ — modernized maintenance fork of the abandoned WorldCretornica PlotMe, with the default plot-world generator bundled in.
Cracked & Fractured
Adds Cracked Variants for blocks
Ambient Particles
Adds fully customizable ambient particles.
Seasons Mod
A Seasons Mod that adds fog and frostbite during Winter, Brown’d leaves during Autumn, heatwaves in summer and faster crops in spring.
Actual MiniBlocks
Lets you place blocks one eighth the normal size!
Biome Bound Blocks
Certain building blocks can only be placed in their native biome, encouraging architectural harmony with the environment.
The Smooth Elevator
Fast, smooth, and survival-friendly elevators. Automatically detects player language and features per-rank cooldowns with LuckPerms.
ZA - Better amethyst
This mod makes amethyst usefull.
ZInvisItemFrames
Craft invisible item frames. Folia-compatible invis item frame plugin.
Evo Biomes
Dynamic biome evolution, gradual transitions, and environment-based ecosystem.
TweakHands
TweakHands is a lightweight Minecraft mod that gives you full control over first-person hand and item animations, positions, rotations, and scaling with real-time in-game customization.
CaveFlow
Caves that breathe — a client-side Fabric mod that simulates underground airflow with a BFS flood-fill and renders dust particles that drift along the computed vectors.
Alliums are Clearly Purple
Changes alliums to produce purple dye instead of magenta.