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Minecraft Java 1.21 Mods

Browse 1,910 free mods for Minecraft Java 1.21 — popular picks include Better /summon, /OP Command, Netherite Blocker.

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B
1.21fabric

Better /summon

Adds a number argument for multiple summons at one go, and a random number function.

256downloads
/
1.21

/OP Command

great for single player plugin testing

250downloads
N
1.21

Netherite Blocker

This datapack completely prevents Ancient Debris (Netherite ore) from generating in newly created Nether chunks. It works by overriding the vanilla placed features that control where and how Ancient Debris spawns.

243downloads
B
1.16.5

BetterBreaking

A Geyser Extension resolving (crying) obsidian block breaking issues

240downloads
A
1.21.11

Anti-Projectile-Ghosting

Paper plugin that effectively patches cases where projectiles should hit not hitting

222downloads
C
1.21.11fabric

CommandTowers

Useful buttons inside command block UI

204downloads
L
1.21.5fabric

Leaf litter nerfed

A tiny mod to reduce burning time of leaf litter in furnaces, making it less overpowered.

193downloads
C
1.21.1neoforge

Create Stock Keeper Crash Fix

A quick fix vibe coded to prevent crashes caused by NBT changing items when opening stock ticker GUI

185downloads
C
1.21

Chunk Cleaners

A performance focused, highly optimized, chunk cleaner plugin for Paper 1.21+ that allows players to remove all blocks and entities within a chunk. This is a well sought after feature for Factions and Survival servers.

179downloads
E
1.21.11fabric

EsperSMP Hardcore

EsperSMP Hardcore Modpack is a lightweight Fabric modpack focused on performance, quality-of-life improvements, and fair PvP gameplay. Designed for the EsperSMP server, it enhances the Minecraft experience without changing vanilla mechanics.

133downloads
I
1.21

ItemCraft

ItemCraft allows you to create fully custom crafting recipes using a crafting-table style GUI, limit how many times a recipe can be crafted (globally or per-player), and bind recipes to blocks with optional FancyHolograms support.

132downloads
M
1.7.2

mknockback

Fixed unfair PVP repelling caused by delay and original repelling vulnerability.

105downloads
S
1.21.1fabric

Simply Better : a simple experience(kinda)

this modpack simply makes minecraft better by adding new structures, new mechanics, new equipment and new mobs without making it too complex.(simply better, duh)

103downloads
A
1.21.10

afk

runs commands when people are afk in an area, e.g. for afk rewards

96downloads
S
1.21.11fabric

sound rader

A Fortnite-style sound radar HUD that shows nearby players, mobs, attacks and projectiles as icons on your screen. Fully configurable via Mod Menu — adjust detection range, icon size, colors and toggle each event type on or off.

91downloads
B
1.15

BlockRestrictor

A plugin that kills players when they step on an unapproved block. 指定した足場以外を踏んだら死ぬプラグイン

88downloads
A
1.18

ApexClan

The Ultimate, Region-Threaded, High-Performance Clan Management System for Modern Minecraft Servers

81downloads
N
1.16.5

NoSpreaditem

Collects all dropped items from a dead player into a single block instead of scattering

76downloads
G
1.13

GUI Command Blocker

GUICommandBlocker Stop players from using commands while they have GUI open! (Specially to prevent mod like ui utilis to sent commands in gui)

70downloads
N
1.9.2

NeoServerCommand

Better /server Command.(and /send) よりよい/serverコマンド!

69downloads
B
1.11.1

BungeeShortcut

A simple BungeeCommand Shortcut create plugin. BungeeCordのコマンドのショートカットを作ろう!

63downloads
P
1.21.8fabric

Pick Block Optimizer

Makes Pick Block Not wait on server to pick a block

60downloads
B
1.21.1fabric

Branko's Explorer Modpack

A performance-friendly exploration & survival pack — seasons, ambient immersion, and thoughtful survival mechanics for Minecraft 1.21.1.

60downloads
L
1.21.4

lagprotector

Just a simple anti-lag solution

57downloads
S
1.21.6neoforge

Stupefied Mobs

A mod that lets you disable mob AI by using a nametag

43downloads
C
1.21

Custom Despawn Timer

Custom item despawn time override

37downloads
S
1.21

SimplyServers

This plugin aims to help all server owners with their struggle of finding plugins to add that can help improve the quality of life for most players, this plugin also has a customizable config.yml file for server owners to turn on and off certain settings

37downloads
B
1.21.1neoforge

blockfrontfix

Fixes the Android crash caused by Corpse Physics Rust natives in BlockFront 1.21.1

33downloads
O
1.21

OmniSuite

Homes, TPA, Random Teleport , Warps and many Utilities to make your Minecraft Server more Fun!

30downloads
N
1.21.11

Noteblock Dialog

A datapack that allows the user to change a note or instrument of a block using the in-game dialog UI.

27downloads
B
1.21.4

BCYT's Extra Vanilla Recipes

This datapack adds missing recipes! (NOTE: SIMMILAR TO MYSTICAT'S EXTRA RECIPES)

27downloads
X
1.21

XpHearts by LinusYaw

This Datapack lets you get extra hearts by using 30 Levels. Up to 30 Hearts.

27downloads
Q
1.21.11

QOL Crafting Recipes

This datapack simply adds crafting recipes for things that really should be in the game by default.

17downloads
C
1.21

ChunkBlockLimiter

A lightweight plugin that allows you to configure the maximum number of blocks of a specific type that can be placed per chunk.

6downloads
[SNG] Dread Mechanica
1.21.1neoforge

[SNG] Dread Mechanica

Dark industry meets survival. Build vast Create factories, master tech power, fly planes & trains, cook & farm, and face horror-filled dungeons. Adventure, automation, and performance in one epic pack.

1.4kdownloads
Better Block Entities Mod (26.2, 1.21.1) – Optimize Rendering To Increase FPS
1.21.1

Better Block Entities Mod (26.2, 1.21.1) – Optimize Rendering To Increase FPS

Better Block Entities Mod is an optimization mod that improves FPS and performance when rendering block entities using a Hybrid Renderer mechanism. The mod retains the original animations of the block entities while optimizing the display to reduce rendering load. Features: Better Block Entities optimizes the rendering of block entities by converting them to a […]