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Minecraft Java 1.21 Mods

Browse 3,322 free mods for Minecraft Java 1.21 — popular picks include CrashCasino, TPA+, Alchemica.

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CrashCasino
1.21

CrashCasino

A simple Crash Casino plugin that runs on Paper.

94downloads
TPA+
1.20.4

TPA+

A polished teleportation addon for Ly+ Settings featuring a dimension-aware request GUI, per-player reception controls, and a clean action bar countdown.

94downloads
Alchemica
1.12

Alchemica

Vanilla+ Cauldron Brewing

94downloads
Heavier Core
1.21

Heavier Core

Heavy cores fall now...

94downloads
CreeperShield
1.16

CreeperShield

Prevent creeper spawns near players with permission.

94downloads
Bedrocks Blocks
1.21.11fabric

Bedrocks Blocks

Adds Bedrock-style Allow, Deny, and Border blocks to Java Edition.

93downloads
MOTD Studio
1.20

MOTD Studio

Add better customizable MOTD for better looking & nicer SMP

93downloads
LagLens
1.21.1fabric

LagLens

A lightweight client-side diagnostics HUD that helps you understand why Minecraft feels laggy.

93downloads
P_Meteoros
1.21

P_Meteoros

Eventos Veteoros Veteran Events

93downloads
Chicken Jockey Plus
1.21.8fabric

Chicken Jockey Plus

Adds commands to summon different variant jockeys

93downloads
Socks5SRV
1.21

Socks5SRV

DiscordSRV Addon

93downloads
Gelatin Functional
1.21

Gelatin Functional

This datapack enhances your Minecraft world with new mechanics and features designed to improve gameplay, offering a more functional and immersive experience.

93downloads
Crystal Components
1.21.1fabric

Crystal Components

Crystal based Redstone components

92downloads
RevertRaidChanges-Extra-VaultsOminousBottleRemove
1.21

RevertRaidChanges-Extra-VaultsOminousBottleRemove

Removed the Ominous Bottle from the Vault LootTable.

92downloads
Magnetic Players
1.21.5fabric

Magnetic Players

Adjust players' item pickup range and delay to your heart's desire!

91downloads
Kaucjomat (Bottle Deposit Machine)
1.21.1neoforge

Kaucjomat (Bottle Deposit Machine)

Immerse yourself in the world of deposit-free bottles and cans and get something back for yourself ;) #🇵🇱⛰️

91downloads
GrimsArmy
1.21.11fabric

GrimsArmy

GrimsArmy is a Minecraft mod that spawns bot players with real combat AI. They sprint jump, land critical hits, block with shields, switch to axes, and throw potions.

91downloads
Project: Nuclei
1.21.1neoforge

Project: Nuclei

Adds uranium ore, lead ore and an enrichment process for making uranium rods. Also adds graphite rods (crafted with coal), a nuke, a radioactive seperator and various crafting components. In general this is a (kinda) scientific industrial progression mod.

91downloads
TwinPing
1.21.11fabric

TwinPing

Twin Ping is a mod to sync your ping with other players, especially made for tierlist fights!

91downloads
Junk Dropper
1.21.2fabric

Junk Dropper

Best mod for cleaning for servers

91downloads
ScheduledShutdown
1.18

ScheduledShutdown

Select the time you want your server to shutdown every day.

91downloads
Recycling Mod
1.21.4fabric

Recycling Mod

A Simple mod to economize materials. Beta State

91downloads
PlayerStateSaver
1.21.4fabric

PlayerStateSaver

This mod allows players to save their current state (xp, inventory, position) to a file and then load it at a later point. Made by _flushed.

91downloads
CastomCommands
1.16

CastomCommands

This data pack adds some special useful commands to Minecraft via /trigger

91downloads
/tpr Teleport Random Command
1.21

/tpr Teleport Random Command

Teleport To Random People With A Single Command!

90downloads
Void_Filler
1.21.1neoforge

Void_Filler

Void Filler is a technology‑focused Minecraft mod built with an engineering‑driven approach to architecture, system design, and scalability.

90downloads
BestCape
1.21.4fabric

BestCape

Adds a clean, customizable GUI and lets players equip their own custom capes.

89downloads
Antique Odyssey
1.21.1neoforge

Antique Odyssey

A progression-focused adventure modpack where ancient magic, powerful relics and mechanical engineering shape your journey. Explore a world filled with dangerous bosses, forgotten ruins, powerful spells and intricate machinery.

89downloads
zLink
1.20

zLink

This plugin adds a configurable way to create your own minecraft bridge linking system. It connects via mongo database (more on the way) and gives user a code to link on your application/project.

89downloads
Yoo Announce
1.19

Yoo Announce

Yoo Announce – Minecraft plugin for automatic chat announcements.

89downloads
DropPrevention
1.8.8

DropPrevention

A plugin for Minecraft servers based on Spigot/Bukkit that allows players to control the ability to drop items.

89downloads
QuickReport
1.20

QuickReport

Players can report others, track report status, and view history. Admins get instant alerts, manage reports via chat menus, and give rewards for valid reports.

89downloads
EG Oxidation Machine
1.21.1neoforge

EG Oxidation Machine

Oxidation Machine adds the Oxidizer, a machine block that accelerates copper oxidation using Forge Energy (FE).

89downloads
Create Mechanical botany sapling
1.21.1

Create Mechanical botany sapling

This datapack adds Recipe's for sapling to get log with a change of getting more saplings

89downloads
Harvest Tractor Plugin
1.21.4

Harvest Tractor Plugin

HarvestTractor adds drivable farming tractors. Harvest crops, plant seeds, use lava as fuel, store items in a GUI, craft tractors, and ride solo or with a passenger on the tractor.

88downloads
No Crystals & Anchors
1.21.11

No Crystals & Anchors

This datapack removes End Crystals and Respawn Achors recipes

88downloads