Minecraft Java 1.21 Mods
Browse 492 free mods for Minecraft Java 1.21 — popular picks include Server Booster, Skyhunter: Velocity (Project StormHunters Survival), The Iron Frontier.
Updated daily
Server Booster
Stop the lag and stabilize your TPS with ServerBooster—a premium suite of high-performance tools designed to handle 100+ player survival networks with ease
Skyhunter: Velocity (Project StormHunters Survival)
This is a Modpack with the new Weather Mod "Protomanly's Weather". It features a Multiplayer mod and Optimization mods Feel free to request changes if needed
The Iron Frontier
The Iron Frontier is a cinematic survival-industry modpack where you rebuild a fallen world using machines, power grids, railways, and agriculture. Explore a ruined frontier, restore civilization, and bring a silent world back to life.
modskie
I use this modpack for my SMP Server and Singleplayer Hardcore Survival. Use this modpack and you will be a pro in Hardcore Survival! (real) Enjoy! :D
HotbarLoader
Save and load hotbars in Survival with customizable keybind combos (e.g. H + J to save, K + J to load). Missing items are simply skipped.
Fabulously Survivalized
Various mods fit in a small package to add some QoL features, and still *feel* vanilla
Performence-PvP
PerformencePvP is a lightweight, optimization-focused PvP modpack that boosts FPS, reduces lag, and keeps gameplay smooth without sacrificing a clean, competitive look. Perfect for duels, survival, or any fast-paced combat.
Cobblemon Phantoms
Cobblemon Phantom is a modpack that blends Pokémon-inspired gameplay with Minecraft’s survival and exploration. It features custom creatures, eerie environments, and competitive elements like 1v1 duels, all wrapped in a dark, mysterious aesthetic.
Simple Survival X
Just a Vanilla+ Modpack Including Fps Boosting, Shaders, and other mods fore casual play that makes the game simpler and more easy to goof around
GG Hardcore SMP
For (Hardcore) SMP
Shazu Survival Pack
Animated Survival Texture Pack adds smooth, optimized animations to vanilla Minecraft. Clean, survival-friendly visuals.
Orbital's Animated Survival
A 100% client-sided Modpack that aims to improve on the aspects Mojang ignores
DINOsmp Mod - Industrial Evolution
A multiplayer-focused modpack emphasizing industrial automation, challenging survival mechanics, and optimized performance for long-term SMP play.
NaOH
I added some mods and texture packs aimed at enhancing players' game visuals and FPS, suitable for both survival redstone servers and vanilla survival gameplay.
Ultimate Survival Client
The ultimate client for survival Minecraft. This modpack aims to greatly improve performance from low-end to high-end systems. It is created to give survival Minecraft a new aesthetic with many quality-of-life and visual improvements!
紅石生電整合包【Redstone Survival Modpack】
為奶油芝士伺服器訂製，單人亦可使用 This modpack customized for the ButterCheese server, also suitable for singleplayer.
![[LST]轻生电【Lightweight_Survival_Technical】](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/114119.webp)
[LST]轻生电【Lightweight_Survival_Technical】
A meticulously crafted Fabric modpack that delivers the perfect balance between peak performance and rich functionality. Experience buttery-smooth gameplay with all the essential tools for technical Minecraft players - without any compromises. Where perfor
方块乐事FklsPack
Enhancing the multiplayer gaming experience while ensuring optimization.
FairPack
Adds various Utility features for pvp, redstone and survival like transparent ui, shorter swords, lower shields, golden apple count without Optifine
{ SP } OwerWorld
This build was primarily created for SP (Survival Multiplayer) servers and includes exclusive mods/resource packs that are used exclusively on these servers.
Nootjes SMP Hardcore
A performance-focused modpack for the NootjesCraft Hardcore SMP, including Simple Voice Chat and quality-of-life improvements.
MineColonie GRTQ
MineColonie GRTQ is a cozy colony-builder and automation modpack featuring MineColonies and Create—build a living town, design clever factories, and explore a polished survival experience with performance and QoL tweaks.
Cobblemon Atlas
Cobblemon Atlas is a unique Cobblemon server with both adventure and survival modes!
Turkuc SMP: PENTIMENTO
A dark survival RPG pack with 250+ mods, custom quests, and refined combat. Designed for small servers seeking challenge, atmosphere, and long-term progression.
New Hypixel Skyblock
A 1.21.4 modpack for Hypixel Skyblock
Scripted Essentials
A lightweight essentials plugin featuring immortality commands, warp commands, and reduced armor durability drain. Simple, optimized, and perfect for SMP and survival servers.
Trailer Recreation
The cleanest way to play Minecraft. Bare Bones+ brings the update-trailer feel into your survival world — minimal textures, smooth performance, pure adventure.
Optimized Hypixel SkyBlock
A lightweight yet content-rich mod pack, designed to optimize your game’s performance and make it smoother. It includes all the latest updates and essential mods to deliver a complete, modern, and even more immersive Skyblock experience.
EarthWorks
MullV Earthworks is the official mullv.studio modpack for Minecraft 1.21.1 NeoForge, featuring custom 1:1 terrain, extensive Create addons, Sodium performance, Iris shaders, and multiplayer QOL for immersive survival on their servers.
Epic Adventure Craft: Super Survival
The official modpack made for the Epic Adventure Craft Super Survival
Luxxor
Luxxor is a performance-optimized, Hexxit-inspired adventure modpack packed with new biomes, dungeons, stronger combat, and useful QoL mods for smooth exploration and loot-focused survival.
Just Winter
Escape into a winter wonderland. A cozy survival modpack focused on building, farming, and staying warm with immersive decorations and snowy aesthetics.
Totally Optimized
Allows for better performance with shaders
NerdsCraft
A simple, mostly client side mod pack that just adds some QOL changes to vanilla designed for an all survival server: mc.nerdscraft.us. Most mods will work without Server-Side config besides a select few.
X Journey
Dive into TX-Journey, where survival meets adventure, all with the classic vanilla feel. Build, craft, and explore a world filled with mysteries, from daily tasks to epic boss battles. Upgrade your enchantments and uncover endless possibilities.
Project Armageddon
A Survival SMP project with a different twist every season.