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Minecraft Java 1.21 Mods

Browse 328 free mods for Minecraft Java 1.21 — popular picks include Cardboard box shulkers, Cobblemon Horizon : Modpack, iiZo7al Survival.

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Cardboard box shulkers
1.21

Cardboard box shulkers

A resource pack that replaces all shulker boxes with cardboard boxes sealed with matching colored duct tape. It works without Optifine and perfectly fits a warehouse or storage room aesthetic.

39downloads
Cobblemon Horizon : Modpack
1.21.1fabric

Cobblemon Horizon : Modpack

Horizon Cobblemon Modpack is a custom Australian dedicated server modpack featuring expanded Cobblemon content, new Pokémon additions, immersive gameplay features, enhanced visuals, and carefully selected quality-of-life improvements for multiplayer advent

36downloads
iiZo7al Survival
1.21.11fabric

iiZo7al Survival

The official Minecraft modpack created by YouTuber Zo7al, featuring carefully selected mods for performance, visuals, and an enhanced gameplay experience.

33downloads
Mafia Card Game
1.13

Mafia Card Game

Adds cards for playing Mafia by renaming paper in an anvil (requires OptiFine/CIT Resewn).

27downloads
Void Cleaner
1.20

Void Cleaner

VoidCleaner automatically and intelligently cleans up dropped items, projectiles, vehicles, and mobs from your server, storing them in a special "void" (storage).

24downloads
MJCoordinates
1.19

MJCoordinates

MJCoordinates is a clean, performance-friendly Minecraft datapack that displays your real-time X, Y, Z coordinates, the current world day count, and your cardinal facing direction directly on the action bar.

15downloads
King of the Nether Resource Pack (1.21.8) – Dark Wither Army for the Underworld
1.21.8

King of the Nether Resource Pack (1.21.8) – Dark Wither Army for the Underworld

King of the Nether Resource Pack transforms the look of monsters in the fiery dimension. It changes these creatures so they match the style of the Wither boss. This pack gives the underworld a darker and scarier vibe by making the mobs look like they belong to a single dark army. You will need OptiFine […]

Create Threaded Trains Mod (1.21.1, 1.20.1) – Multithreaded Railway
1.21.1neoforge

Create Threaded Trains Mod (1.21.1, 1.20.1) – Multithreaded Railway

Create Threaded Trains Mod moves all railway network calculations onto a separate thread, dramatically reducing lag in large train systems. Features: Runs railway network calculations on a separate thread. Greatly improves performance in large train systems. Tested successfully with 700+ trains and 200 mods. Reduces tick lag by parallelizing tasks with server loop. Screenshots: Create […]

Fix My SpawnR Mod (1.21.11, 1.20.1) – Reduces Mob Spawner Lag
1.21.11neoforge

Fix My SpawnR Mod (1.21.11, 1.20.1) – Reduces Mob Spawner Lag

Fix My SpawnR Mod fixes lag caused by active but unused mob spawners in Minecraft. It reduces unnecessary server strain by deactivating spawners that are not actively used, improving performance on servers and in modpacks. Features: Reduces lag caused by mob spawners scanning for players and spawn locations. Adds a deadlock timer to spawners to […]

Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring
1.21.11fabric

Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring

Carpet Mod is a popular modification for Minecraft that enhances the game by providing advanced tools for monitoring, controlling, and optimizing gameplay. It is particularly favored by technical players and server administrators. It provides many tools, commands and special capabilities that extend vanilla Minecraft-especially useful for technical players, redstone engineers, farms, and automation. Features: Tools […]

Hammers 3×3 Mod (1.21.8, 1.20.1) – Carve Caves with One Swing
1.21.8neoforge

Hammers 3×3 Mod (1.21.8, 1.20.1) – Carve Caves with One Swing

Hammers 3×3 Mod adds powerful hammer tools to help you mine more efficiently. These hammers can break a 3×3 area of blocks at once, which is much faster than using a regular pickaxe. The mod includes basic hammers and stronger Enhanced Hammers for even better performance. You can also find a special enchantment that expands […]

Clean Wool Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Clean Wool Resource Pack (1.21.1, 1.20.1) – Texture Pack

Clean Wool Resource Pack adds crisp, subtle outlines to wool, carpets, and – since version 1.4 – concrete blocks across nearly all recent Minecraft Java editions, offering a cleaner and sharper look to these colorful building materials. Designed with minimalism in mind, it retains the original 16× resolution and maintains excellent performance, making it perfect […]

No Entity Lag Mod (1.21.4, 1.20.6) – Decreases Lag Caused Due To Entities
1.21.4fabric

No Entity Lag Mod (1.21.4, 1.20.6) – Decreases Lag Caused Due To Entities

One of the most resource consuming game elements are entities. Mobs, minecarts, armor stands, lighted TNTs, etc. all count as entities and as their number increases, the game performance will drop drastically. No Entity Lag Mod is here with the solution. This mod introduces some measures that will help manage and reduce the lag caused […]

Monster Energy Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Monster Energy Resource Pack (1.21.1, 1.20.1) – Texture Pack

Monster Energy Resource Pack replaces key consumables in Minecraft-like golden carrots, potions, and bucket items-with iconic Monster Energy drink cans and boxes using OptiFine textures. It transforms the golden carrot into a green Monster Energy can and swaps out potion bottles for energy drink variants, including honey bottles and experience bottles. Additionally, newer versions extend […]

FancyFast Bushy Leaves Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

FancyFast Bushy Leaves Resource Pack (1.21.1, 1.20.1) – Texture Pack

FancyFast Bushy Leaves Resource Pack simply offers an optimized solution for players who love the look of bushy leaves but want to avoid the heavy strain on their GPU. Then, it somehow ensures smooth performance without compromising on visual appeal. This is particularly useful in dense biomes like mangrove swamps or jungles, where foliage can […]

Compliment Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Compliment Resource Pack (1.21.1, 1.20.1) – Texture Pack

Are you scared of all the fancy custom SkyBlock resource packs that add flashy animations at the cost of your frames? Do you still want a little more variety in SkyBlock items but don't want anything too crazy? Compliment Resource Pack adds textures using Optifine CIT feature, replaces existing items in SkyBlock with these new […]

Curtain Mod (1.21.1, 1.20.1) – A Mod Like Fabric-Carpet
1.21.1neoforge

Curtain Mod (1.21.1, 1.20.1) – A Mod Like Fabric-Carpet

Curtain Mod offers players advanced control over technical aspects of the game. It enables users to fine-tune and manage various in-game mechanics and features that impact gameplay performance or behavior. Features: Monitor server metrics such as mobcap and TPS in real-time using the /log command. Control or simulate players with the /player command. How to […]

Via's Flora Changes Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Via's Flora Changes Resource Pack (1.21.1, 1.20.1) – Texture Pack

Via's Flora Changes Resource Pack updates the textures of flowers, glow berries, crops like wheat and carrots, and even blocks like mushrooms and mud. The pack also introduces 3D models for jack-o-lanterns and carved pumpkins, along with a recolor for hay blocks. OptiFine is required for certain features, such as the mushroom/fungus hat. Screenshots: Via's […]

Minecraft Squish Edition Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Minecraft Squish Edition Resource Pack (1.21.1, 1.20.1) – Texture Pack

Minecraft Squish Edition Resource Pack will significantly upgrade your game performance by enhancing the visual game impression. Within this pack, you world will be full of cute textures that were made with love and care. Moreover, it also adds grass textures, fixes equestrian animals, adds splash texts, improves particles and creates a few other tweaks […]

Simply Wool Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Simply Wool Resource Pack (1.21.1, 1.20.1) – Texture Pack

Simply Wool Resource Pack will change the texture of wool. Specifically, it will make it a much simpler texture (being one color outlined by the same color but darker) but a much better design. With the installation of Optifine, it also makes the wool and carpet to have connected textures which looks very good and […]

Lithograph Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Lithograph Resource Pack (1.21.1, 1.20.1) – Texture Pack

Lithograph Resource Pack transforms the game's visuals into vibrant, cartoon-like textures using a curated color palette2. It modifies items, entities, blocks, particles, paintings, and the GUI to create a whimsical yet solid feel that complements Minecraft's gameplay2. Screenshots: Requires: Optifine Lithograph Resource Pack Download Links For Minecraft 1.21.5, 1.21.1, 1.20.6, 1.20.1, 1.19.3, 1.19.2, 1.19 16x: […]

A
1.20

Adaptive Outline

the outline lightens and darkens

3.1kdownloads
A
1.21.5

Animtr

This project adds an anime-style overlay to the whole world! It comes with a candy mode and the normal mode for even more fun.

406downloads
M
1.21.4fabric

Modpack of Redstone

That's a useful thing;It includes essential helpers like Carpet and Tweakeroo, along with various optimization mods and resource packs.

316downloads
C
1.21.1neoforge

CREATE SERVER PRO

A massive Create-focused technology and engineering modpack for Minecraft, featuring advanced automation, trains, aircraft, logistics systems, and high-performance optimization for smooth gameplay.

134downloads
C
1.21.1fabric

CleanCraft

This lightweight Modrinth modpack uses just over 40 carefully selected mods designed to dramatically boost your performance by a guaranteed 100+ fps. It masterfully optimizes your game's engine, delivering buttery smooth gameplay and enhanced, graphics.

59downloads
C
1.21.1neoforge

Creation

An modpeck thats full of create mods and train gen mods

54downloads
O
1.21.11fabric

OpTimatic

OpTimatic combines performance optimization with carefully selected quality-of-life features, delivering a smoother and more enjoyable Minecraft experience — updated to the latest version whenever possible, so you can play at your best from day one

24downloads
X
23w12a

XBow Cart backport

A Backport to fix XBow Carting for Versions 1.20-1.21.6

16downloads
Cobblemon SMP - The #1 Legendary Pokemon Adventure
1.21.1fabric

Cobblemon SMP - The #1 Legendary Pokemon Adventure

✅💯 The Ultimate Pokémon Academy! 💯✅ Catch, train, and level your Pokémon with friends in Cobblemon. Enjoy mods included in cobbleverse, Level up, and grow all your mons —starting your cobblemon verse journey! The Best Optimized RPG MMO Experience atm!.🌟

1.2Mdownloads
[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
CobblemonEspanol
1.21.1fabric

CobblemonEspanol

Cobblemon modpack delivering a complete Pokémon experience in Minecraft. Includes performance optimizations, QoL improvements, and enhanced exploration. Balanced for both casual players and dedicated trainers.

1.1kdownloads
Troublesome Trucks
1.20.2

Troublesome Trucks

Turns Minecarts into Troublesome Trucks - OptiFine Required!

915downloads
Clarity Reborn
1.21.11fabric

Clarity Reborn

A carefully optimized visual modpack that dramatically enhances Minecraft’s visuals while maintaining smooth, high-performance gameplay.

349downloads
Cobblemon.gg Modpack (1.21.1) – Build Your Ultimate Dream Team
1.21.1

Cobblemon.gg Modpack (1.21.1) – Build Your Ultimate Dream Team

Cobblemon.gg Modpack gives you the ultimate pocket monster adventure in Minecraft with high-speed performance and fair play. You can explore a beautiful world filled with wild creatures, custom quests, and smooth battles that keep your game running fast. It brings together a friendly community of trainers for tournaments, trading, and endless fun. Features: Massive Pokémon […]

Neoculus Mod (1.21.1) – Runs OptiFine Shaders On NeoForge
1.21.1

Neoculus Mod (1.21.1) – Runs OptiFine Shaders On NeoForge

Neoculus Mod lets you run shader packs on newer game versions. It brings the tools of the Iris mod to NeoForge. You can make your game look beautiful while keeping a fast frame rate. Features: Accelerated Rendering: Uses your graphics card to draw items and text much faster. Swaying Garden: Makes modded plants and flowers […]