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Minecraft Java 1.21 Mods

Browse 1,534 free mods for Minecraft Java 1.21 — popular picks include The Upper, Artmoby's Hauling Crates, Forests - Vanilla Expanded.

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The Upper
1.21.8fabric

The Upper

My Minecraft mod adds a completely new dimension to the game.

31downloads
Artmoby's Hauling Crates
1.21.1neoforge

Artmoby's Hauling Crates

A Minecraft mod for the ReUnitedSMP aiming to add crates. An out the ordinary way to implement economy, inspired by Scrap Mechanic.

30downloads
Forests - Vanilla Expanded
1.21.8fabric

Forests - Vanilla Expanded

A mod that adds vanilla friendly forest biomes

30downloads
mini tramvays
1.21.8neoforge

mini tramvays

This mod adds several structures and miniature trams of different types

30downloads
Viv's Vanilla Villagers
1.21.5

Viv's Vanilla Villagers

A texture pack that replaces villagers into dirt homunculi and illagers into stone homunculi!

30downloads
Tomodachi Hybrids
1.21.8neoforge

Tomodachi Hybrids

A simple mod that adds hybrids from my Tomodachi Life: LTD save file.

29downloads
NNP Rune Smithing
1.21.1neoforge

NNP Rune Smithing

Claim (or cast) runes! Place them in-world or forge them into armor for unique effects. Heavily configurable; balance to taste.

25downloads
Mod but my Friends decided what's in it
1.21.8neoforge

Mod but my Friends decided what's in it

lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!

24downloads
Elros Craft
1.21.8fabric

Elros Craft

Elvish mod, adding things that I wanted in the game

24downloads
Expedition X
1.21.8neoforge

Expedition X

Expedition X is a minecraft mod for neoforge 1.21.8 that overhauls the vanilla progression system with new resources, challenges, and adventures!

23downloads
Minestuck: Cascade
1.21.1neoforge

Minestuck: Cascade

A Minestuck addon that adds new dimensions, the ability to time travel and the ability to play as trolls.

22downloads
Liyam's Mod
1.21.8neoforge

Liyam's Mod

A mod I made that adds various structures, mobs, and a new dimension. Sort of a test mod.

22downloads
Simple Back
1.21

Simple Back

A lightweight Paper plugin that lets players use /back to return to their most recent death location with a configurable countdown.

22downloads
Mobarmy Battles
1.21.11

Mobarmy Battles

This is a Fan made Mob Army Battle Plugin

22downloads
Enderman Spawns
1.21

Enderman Spawns

This is a very customisable plugin where you can easily change the number/percent of enderman that spawn

20downloads
Survival+
1.21.9

Survival+

Survival+ is a datapack that adds difficulty and suprise to Minecraft again. By adding tougher enemies and cool unique items. Along with a bunch of new mechanics and reworks of some old ones, causing you to relearn Minecraft in a whole new way!

18downloads
WildlifeRarities
1.21

WildlifeRarities

WildlifeRarities is an RPG-focused plugin designed to make hunting and exploration more engaging and rewarding on your server. It is perfect for servers with collectors, progression systems, or economy-based gameplay.

18downloads
Kuzey Tools
1.21.8neoforge

Kuzey Tools

Kuzey Tools is a Minecraft mod that adds a wide variety of powerful new tools, weapons, armor, and useful utility items to enhance mining, combat, and exploration.

16downloads
P_Ilha
1.21

P_Ilha

P_Ilhas is a native island system for Paper 1.21.3 servers, designed to provide VOID worlds, private dimensions, native protection, progression, economy, pets, rankings, and production administration in one plugin.

15downloads
Dave's Flesh O' Mass
1.21.4neoforge

Dave's Flesh O' Mass

A mod that adds fleshy items blocks and mobs to your world

9downloads
Paradox Eye
1.21.1fabric

Paradox Eye

The mod for the Eye of Paradox – the main antagonist of the series «Memories of the Teams: A New Life (VKNZH)».

9downloads
War of worlds
1.21.8neoforge

War of worlds

Adds multiple anomalies and new dimensions featuring unique structures and terrains all designed to maintain a tense scary atmosphere

9downloads
Adaptive Difficulty PAPER
1.21

Adaptive Difficulty PAPER

AdaptiveDifficulty — A dynamic Minecraft difficulty plugin that automatically adjusts the world based on each player's progression. This plugin is mostly Adaptive Difficulty mod but for paper/bukkit servers, i wanted for all players to experience 0 mods

2downloads
Craftemon Data Pack (1.21.11, 1.20.1) – Catch and Train Custom Vanilla-Inspired
1.21.11

Craftemon Data Pack (1.21.11, 1.20.1) – Catch and Train Custom Vanilla-Inspired

Craftemon Data Pack extends Cobblemon with custom creatures inspired by classic Minecraft mobs and blocks. This data pack fills your biomes and dimensions with new monsters to catch, train, and evolve during your survival playthrough. You can travel through forests, ancient cities, and deep nether terrain to track down rare spawns and legendary species. Features: […]

Cobble Cats Data Pack (1.21.1, 1.20.1) – Catch and Train Feline Cobblemon
1.21.1

Cobble Cats Data Pack (1.21.1, 1.20.1) – Catch and Train Feline Cobblemon

Cobble Cats Data Pack adds new feline creatures for the Cobblemon mod. It populates your world with several cat-like species that spawn in different biomes. You can find these new friends roaming around villages, forests, and even other dimensions. Features: Expands the main mod with many new animal species to catch and train. Places creatures […]

Enderscape Mod (26.2, 1.21.1) – New Content to The End
1.21.1fabric

Enderscape Mod (26.2, 1.21.1) – New Content to The End

Enderscape Mod adds new content to The End dimension, such as biomes, mobs, ores, and more. The focus is to add features that aren't unfitting for the vanilla game while enhancing the overall experience. Features: End dimension overhaul Completely reworked world generation New terrain shapes and island formations Improved verticality and exploration flow New End […]

Comprogrammer Programmer Art Mod Compat Compliation Resource Pack (1.21.1, 1.20.1)
1.21.1

Comprogrammer Programmer Art Mod Compat Compliation Resource Pack (1.21.1, 1.20.1)

Comprogrammer Programmer Art Mod Compat Compliation Resource Pack transforms the look of over 180 popular mods to match the classic, old-school Minecraft art style. It replaces modern textures with the familiar, blocky designs from older versions of the game. This pack brings a sense of nostalgia to your modded worlds, making brand-new biomes, creatures, and […]

Vanilla Backport Mob Variants Compat Data Pack (1.21.1, 1.20.1)
1.21.1

Vanilla Backport Mob Variants Compat Data Pack (1.21.1, 1.20.1)

Vanilla Backport Mob Variants Compat extends Vanilla Backport by adding custom biome spawns. It makes sure all the new animal colors and types show up when you play with big world generation mods. Normally, these animals only appear in standard biomes. This data pack patches the spawning rules so your modded worlds get the same […]

Amethyst Nether Data Pack (26.2, 1.21.11) – Expanded Nether Overhaul
1.21.11

Amethyst Nether Data Pack (26.2, 1.21.11) – Expanded Nether Overhaul

Amethyst Nether Data Pack completely overhauls the Nether, introducing amethyst-infused terrain, new biomes, structures, adjusted ore distribution, and unique mob placements. Perfect for players seeking a fresh and mystical take on the underworld! Features: Transforms the nether. It includes terrain changes, biomes, structures, ore distribution, mob distribution and more. Screenshots: Amethyst Nether Data Pack Download […]

Friends For Life Mod (1.21.1, 1.20.1) – QoL Pet Control With Collar And Ocarina
1.21.1fabric

Friends For Life Mod (1.21.1, 1.20.1) – QoL Pet Control With Collar And Ocarina

Friends For Life Mod introduces a system built around three items, the Friendship Collar, the Ocarina and the Roster that together allow pets to become invulnerable, gain home points, and be summoned across dimensions. Features: Adds the Friendship Collar item Collar makes a tamed pet invulnerable (except creative/the void) Collared pets become “Forever Pets” Forever […]

SixAlphaSix Jar Mod (1.21.1, 1.20.1) – One Of The BEST Horror Mod
1.21.1

SixAlphaSix Jar Mod (1.21.1, 1.20.1) – One Of The BEST Horror Mod

SixAlphaSix Jar Mod is a horror-focused Minecraft mod that adds infected creatures, strange dimensions, and psychological-style events. It is designed to create an unsettling atmosphere through entities, visual effects, sounds, and world disturbances. Features: Core Gameplay Additions Scary entities that simulate world infection Multiple unsettling dimensions Random horror-style world events Custom music and audio effects […]

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives
1.21.1

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives

Grim and Bleak Mod is an ambience-focused mod that blends exploration, survival mechanics, and dark atmosphere. It introduces a shadowy dimension called Limbo, filled with hostile creatures, rare resources, and high-risk progression. Actions taken inside Limbo can also affect the Overworld. Features: New dark dimension called Limbo with unique biomes and enemies Atmosphere-focused semi-horror gameplay […]

Fluxus Pixel Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Fluxus Pixel Resource Pack (1.21.1, 1.20.1) – Texture Pack

Fluxus Pixel Resource Pack simply takes players on a true artistic journey through beautifully detailed pixel art, making the world feel more vibrant, immersive, and alive. With a nearly infinite amount of subtle texture variations, it’s perfect for builders, explorers, and creative players who want their environments to feel organic and non-repetitive. Despite its depth […]

CoffeeG's Double Jump Data Pack (1.21.11, 1.20.1) – Wall Jump, Leap Mechanic
1.21.11

CoffeeG's Double Jump Data Pack (1.21.11, 1.20.1) – Wall Jump, Leap Mechanic

CoffeeG's Double Jump Data Pack introduces a suite of new movement mechanics to Minecraft, including double jump, wall jump, leap, and wall bounce. These features provide greater mobility and agility, making exploration and combat more dynamic and exciting. Enjoy playing this data pack! Features: Warning : Double jump is auto-disabled when you are using creative […]

Infinity Cave Mod (1.21.11, 1.20.1) – Expand World Depth and New Cave Biomes
1.21.11fabric

Infinity Cave Mod (1.21.11, 1.20.1) – Expand World Depth and New Cave Biomes

Infinity Cave Mod changes the minimum world height from -64 to -128 and adds a new type of cave generation, combining them into an absurd system. A total of five new cave biomes will appear, where regular mobs will not spawn – instead, their enhanced versions will appear, creating a kind of roguelike content for […]

The Original Bracken Pack Data Pack (1.21.10, 1.20.1) – Adding Eleven Dimensions
1.21.10

The Original Bracken Pack Data Pack (1.21.10, 1.20.1) – Adding Eleven Dimensions

The Original Bracken Pack Data Pack adds 11 additional dimensions to the game as well as customized mob spawning, playable fantasy species, and additional crafting recipes for typically uncraftible items like saddles, chain armor, and tridents. Unpredictable results may occur when combining the pack with other plugins or addons, be sure to back up your […]