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Minecraft Java 1.21 Mods

Browse 562 free mods for Minecraft Java 1.21 — popular picks include Create: Portal Integration, [Cobblemon] TrainerAttributesLib, Create: Return Ticket.

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Create: Portal Integration
1.21.1neoforge

Create: Portal Integration

Add portal support to cart contraption, coupled cart, and compatibility with other portal mods.

4.4kdownloads
[Cobblemon] TrainerAttributesLib
1.21.1fabric

[Cobblemon] TrainerAttributesLib

Integrates Minecraft's attributes with Cobblemon.

4.4kdownloads
Create: Return Ticket
1.21.1neoforge

Create: Return Ticket

Adds a return ticket that allows one way quick travel when travelling with create trains

4.4kdownloads
Mob Pouches
1.21.11fabric

Mob Pouches

Pouches to carry mobs, just like bucketed fish.

4.4kdownloads
Create Aeronautics: Survival Physics Staff
1.21.1neoforge

Create Aeronautics: Survival Physics Staff

This mod adds a new survival physics staff which has a survival recipe and uses backtank pressure as fuel.

4.3kdownloads
[Cobblemon] Trainer Accessories
1.21.1fabric

[Cobblemon] Trainer Accessories

Adds various accessories that give you boosted spawn chances, IVs, catch rates, and more.

4.3kdownloads
CreateTrainControl
1.21.1neoforge

CreateTrainControl

This Minecraft mod enhances Create mod trains by replacing their sounds with authentic VVVF motor sound effects.

4.3kdownloads
Lucky Block Worlds
1.21.1neoforge

Lucky Block Worlds

Lucky Block Worlds introduces disguised lucky blocks into the world, so be careful where you mine!

4.3kdownloads
Carpet Shadow Legacy
1.21.9fabric

Carpet Shadow Legacy

Carpet Addon for Bringing Back Item Shadowing in Modern Minecraft Versions.

4.2kdownloads
KantoNPCs
1.21.1fabric

KantoNPCs

Custom Cobblemon NPC for servers and mods, with dialogue, trainer battles, shops, trades, move tutors and custom skins.

4.2kdownloads
Prehistoric Mobs
1.21.3

Prehistoric Mobs

Adds the Big Beak (a large ride-able bird), and the Hungry Dripleaf (a carnivorous plant).

4.2kdownloads
Universal Blocking
1.21.1fabric

Universal Blocking

🗸 Ultimate server-side control mod for Minecraft. Block any item, block, craft, or mob spawn using 11 configurable flags, wildcards, and tags. Hide items from Creative tabs and JEI and etc.

4.1kdownloads
Physical Vehicles
1.21.11

Physical Vehicles

A REAL physically accurate vehicle simulator on a datapack! You can arrange physical races, drift challenges and RPG situations!

4.0kdownloads
oSzoukaua's: Re-place!
1.21.11

oSzoukaua's: Re-place!

Allows you to place down raw fish, and minecarts just like how you would an armor stand or a boat! ^-^

4.0kdownloads
Cobblemon Picnic
1.21.1neoforge

Cobblemon Picnic

A picnic table that re-rolls nearby wild Pokémon spawns for shiny hunting — plus a shiny aura, rare-spawn protection, peaceful seating, Pokémon care, bundled furniture and trainer battles. Fabric & NeoForge.

3.9kdownloads
Create: Aeronautics Weightworks
1.21.1neoforge

Create: Aeronautics Weightworks

Fixes and changes the mass values for Copycats blocks when using Create: Aeronautics, allowing them to work correctly with airplane physics.

3.8kdownloads
Caregiver
1.21.8neoforge

Caregiver

Caregiver gives you options to better help your roleplay as a caregiver and liltte this mod uses NappyCaft or QAL for the diaper funtions.

3.6kdownloads
HappySheep
1.21

HappySheep

Shearing is caring!

3.6kdownloads
Pokepuram !
1.21.1fabric

Pokepuram !

PokéPuram is a feature-rich Cobblemon server blending classic Pokémon mechanics with vanilla Minecraft survival. Battle, catch, trade, and compete in an active community built for both adventurers and competitive trainers.

3.6kdownloads
IDCardM
1.21.1fabric

IDCardM

A lightweight mod that introduces player ID cards with data storage, networking, and GUI support.

3.6kdownloads
Create: Cats Don't Care (CCDC)
1.21.1neoforge

Create: Cats Don't Care (CCDC)

Lets cats find cozy spots to sit and sleep around your Create factories.

3.5kdownloads
Tensura Slots
1.21.1neoforge

Tensura Slots

This Addon adds extra slots to the Tensura: Reincarnated Mod

3.5kdownloads
Up and Away
1.21fabric

Up and Away

A mod about balloons, made for Modfest: Carnival

3.4kdownloads
The Archivist
1.21fabric

The Archivist

A fourth-wall-breaking psychological horror mod that uses your real-life PC info to scare you.

3.3kdownloads
Easier Harvesting
1.21.5

Easier Harvesting

Automatically replants/replaces/reseeds crops harvested with a hoe. Works with wheat, carrots, potatoes, beetroots, cocoa beans and nether wart.

3.3kdownloads
Sturdy Vehicles
1.21.11fabric

Sturdy Vehicles

Changes which items are dropped by minecarts. Also adds some quality of life recipes.

3.2kdownloads
Carpet Ilmater Addition
1.21.6fabric

Carpet Ilmater Addition

A Carpet extension with crying portals and other silly features

3.2kdownloads
super_scary.jar
1.21.1neoforge

super_scary.jar

A super serious and super scary horror mod!

3.2kdownloads
Clown Raid
1.21fabric

Clown Raid

Adds circus parades! Made for Modfest: Carnival

3.1kdownloads
Quirky Vehicles Framework
1.21fabric

Quirky Vehicles Framework

Mod framework providing tools for easier implementation of multipart and multiplayer-movable vehicles

3.0kdownloads
PsychoTerror
1.21

PsychoTerror

A psychological horror system that reacts to each player’s behavior, creating unique personal scares and world distortions.

3.0kdownloads
Hana's Cards
1.21.1fabric

Hana's Cards

Adds new collectable cards to Minecraft!

3.0kdownloads
Train's Tweaks
1.21.1fabric

Train's Tweaks

Configure hardcoded aspects of experience, rarity, mob drops, and more

2.8kdownloads
Create: Maintenance Control
1.21.1neoforge

Create: Maintenance Control

A Create addon introducing maintenance mechanics. Allows Train Stations to be temporarily disabled, making trains skip them without modifying any train schedules.

2.8kdownloads
Cobblemon Dungeon
1.21.1fabric

Cobblemon Dungeon

Create and edit custom Cobblemon dungeons directly in-game with areas, gates, trainer encounters, boss battles, Join NPCs, rewards, and JSON-based advanced customization.

2.7kdownloads
Create: Always Backtank
1.21.1neoforge

Create: Always Backtank

makes it always shows air in backtanks

2.7kdownloads