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Minecraft Java 1.21 Mods

Browse 1,108 free mods for Minecraft Java 1.21 — popular picks include Op Login, Chest Looter, Create & things.

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1,108 mods

1.21

Op Login

OpLogin keeps operator accounts safe by locking admin privileges until the real player authenticates. It adds a simple extra layer of protection against stolen accounts, shared access, and accidental permission abuse.

1.8kdownloads

1.21.11fabric

Chest Looter

A Mod that allows you to quickly take whatever items are in a chest/shulker/storage. It provides a simple UI when you open storage, which lets you change the keybind, and how fast the items get taken.

1.7kdownloads

1.21.1neoforge

Create & things

A modpack like create live 5 without skyblock, but with sophisticated Backpacks

1.7kdownloads

1.21.11fabric

Block Info

Hover your crosshair over certain blocks to show their block information!

1.7kdownloads

1.21.8neoforge

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.

1.7kdownloads

1.21.1neoforge

Creatures Dominion

This is a mod that will have a lot of animals and even extinct ones. It is not released yet and neither finished. Please give suggestions and report bugs to me please! I hope you enjoy the mod!

1.7kdownloads

1.21

ChestProtect

Prevent ppl from breaking / opening your chests

1.7kdownloads

1.20

Easymenu

A lightweight GUI menu plugin for Paper and Spigot servers. Create menus easily with YAML configuration.

1.7kdownloads

1.21

RankedSMPX

A highly configurable Feature Rich Ranked SMP plugin. Inspired by RankedSMP.

1.7kdownloads

1.21

ServerKits

The Best Kit Plugin On Modrinth

1.7kdownloads

1.21

DonutBillford

DonutBillford is a lightweight trading system designed by SirSnaryo for DonutSMP, owned by DrDonutt. Players open a clean 6-row GUI to view trade recipes and exchange items instantly. Server owners configure required ingredients and rewards

1.7kdownloads

1.18

NoNether Plugin

Prevent players from entering the Nether.

1.7kdownloads

1.21.5

Experience Nuggets

Adds Experience Nuggets for item-based XP storage and transfer!

1.6kdownloads

1.21.1neoforge

Create Aeronautics: Compact Carry

Adds a capsule that can store Create Aeronautics aircraft.

1.6kdownloads

1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads

1.21.1neoforge

Uncraftable Trims & Sherds

Adds ability to uncraft armor trims and sherds to the useful resources!

1.6kdownloads

1.21.1neoforge

Applied Schematics

Allow Schematicanon access AE network efficiently, adapted from Beyond Dimensions

1.6kdownloads

1.21.1fabric

PokéNet [Cobblemon]

PokéNet introduces a unique, Pokémon-powered storage network inspired by systems like Applied Energetics 2, Refined Storage, and Tom’s Storage.

1.6kdownloads

1.21fabric

Einseinundzwanzig

Early modpack for 1.21. Many structures to explore, ore generation and low tech storage systems are available. Vein mining gives ores and building blocks. CC turtles.

1.5kdownloads

1.21.8

Magnetism

Datapack adding a magnet that automatically pulls nearby dropped items toward the player.

1.5kdownloads

1.21.11fabric

Media HUD

Media HUD is a client-side Fabric mod that adds a draggable media player HUD to Minecraft Java Edition. It supports local audio and video playback from disk, library browsing, saved HUD position, full and compact layouts and multiple visualization modes.

1.5kdownloads

1.17

LightNewbie

grant protection to players who join the server for the first time

1.4kdownloads

1.21.8

MineAuth

This is a plugin for accessing minecraft data from the web.

1.4kdownloads

1.20

Bloodline Smp

Bloodline SMP Client Mod adds the custom Bloodline HUD, ability icons, cooldown overlays, and rebindable keybinds used by the Bloodline SMP server. It also syncs bloodline state and powers the client-side visuals required for the full gameplay experience.

1.4kdownloads

1.21.11fabric

Strixun: Trials of the Wild

Hardcore survival modpack with ~300 exploration, magic, combat, and world‑overhaul mods. Includes Rituals for totem magic, buffs, farming, and defenses, plus Compressy for massive block storage. Optional no‑regen/no‑raids for true hardcore players.

1.4kdownloads

1.17fabric

Modset Policy Enforcement (MPE)

This mod has a new concept of Anti Cheat for Minecraft. Instead of looking if the User does move right it sits on the users PC and looks what mods he has installed. With that the user cant even join with mods that have been baned by the Server.

1.4kdownloads

1.21

Create: Duxo's More Renewables

Adds some more renewables to Create Mod

1.4kdownloads

1.21.5fabric

Kappa's AntiCheat

A lightweight Fabric anti-cheat designed for high performance on large-scale servers.

1.4kdownloads

1.21.1neoforge

Mekanism Elementified

Expands Mekanism with 25+ chemical elements and compounds, specialized processing machines, and advanced industrial tools for complex chemical production chains.

1.4kdownloads