Minecraft Java 1.21 Mods
Browse 577 free mods for Minecraft Java 1.21 — popular picks include crystalcombat, KittenClient, COBBLEMON DEFINITIVE.
Updated daily
crystalcombat
The perfect PvP modpack for 1.21.1 all mods are allowed on mctiers.com
KittenClient
A clean, PvP-focused Fabric client with free cosmetics, safety mods, and optimized visuals. Github link in description
COBBLEMON DEFINITIVE
COBBLEMON definitive on 1.21.1 (Fabric). Optimized pack with +70 QoL and performance mods (High FPS). Includes mounts, legendary Pokémon, and new challenges. The smoothest, most stable, and immersive Pokémon adventure. Multiplayer ready!
Black 69x
Optimized PvPxVanilla Play !
Blade Boost
BladeBoost is a performance-enhancing maod pack that ensures smoother gameplay and less lag. Subtle PvP enhancements make for smooth combat, perfect for the player who looks for efficiency and balance in exploring, building, or battle.
Cool Client
A client side modpack aimed to provide the best user experience. 200% FPS BOOST. AMAZING TEXTURES. SODIUM JADE APPLESKIN AND MORE!
Sodium PvP
Sodium Perfected & Optimized for PvP
Original Fight
Original Fight is a fast, optimized Minecraft modpack combining smooth PvP combat, cinematic shaders, and immersive sound. Built for performance and style, it delivers a stable, high-quality experience for fighters, builders, and explorers alike.
uhpvp
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Crystal PVP Overlay (CPVP)
A clean Crystal PvP overlay. Optimized for competitive gameplay.
Red Cpvp 16x pack
Red CPvP Pack is a clean, competitive resource pack designed for Crystal PvP. It features a polished red-themed style, optimized textures, and clear visuals for smooth gameplay and better combat visibility.
Polish CPVP ResourcePack
A high-performance Crystal PvP resource pack featuring optimized visuals, custom models, and clean combat utilities for the ultimate CPVP experience.
BOOST YOUR PVP
Boost Your PvP is a lightweight Minecraft modpack focused on higher FPS, smoother gameplay, and improved PvP performance It reduces lag, improves frame stability, and helps deliver a more responsive combat experience on both low end and high end PCs
Nezz Pack
Nezz Pack is a Minecraft modpack designed for both Survival and PvP gameplay.It focuses heavily on performance optimization to increase FPS and reduce lag.It uses lightweight mods like Sodium, Lithium, and Phosphor for smoother rendering and faster chunk
SkullShade
Fast and smooth Fabric PvP modpack for Minecraft 1.21.11
PvPLegacy Icons
Adds custom icons to PvPLegacy ('OptiFine' or 'CIT Resewn' required)
Vanilla PvP Optimizer
Vanilla PvP Optimizer is a modpack built to enhance your PvP experience on vanilla Minecraft servers. It improves FPS, reduces lag, and optimizes performance so you can focus on fighting without technical issues holding you back.
![RazeBoost [32x]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/129312.webp)
RazeBoost [32x]
RazeBoost [32x] delivers clean visuals, custom skies, enhanced PvP textures, and smooth performance to help players maximize both style and gameplay.
02's PvP Modpack
Minecraft PvP modpack focused on high FPS, and better hit detection. It has optimization mods, PvP related utility mods, QoL.
Royal Vanilla+
This resource pack gives a customized gaming performance, especially, for CPVP. Enjoy the PVP pack, and get a better and smoother gaming experience!!
P3trons PvP Essentials
Optimized mod pack enhancing visuals and performance while keeping gameplay smooth. Includes nearly all essential PvP mods, delivering better FPS, improved controls, and a clean, competitive experience for every match.
Crakz's Modpack
This is going to be a modpack heavily performance based but still keeping qol features for different gamemodes (CrystalPvP, NethPot, DiaPot, etc.)
KyronFall
KyronFall is a performance-optimized SMP & PvP modpack designed for smooth multiplayer gameplay.
LostSpecter_ Cpvp Pack
A clean and optimized CrystalPvP resource pack designed for smooth gameplay and better visibility. Built for competitive players, supporting all versions.
GVPVP Lunar Edition
An optimized modpack made for Lunar Client
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.
OptiPVPMax
High performance Modpack PVP Support
Sun Optimized pvp
Enter a new era of Minecraft PvP mastery with Sun Optimized – a meticulously designed, lightweight yet powerful modpack tailored for players who demand peak performance in competitive play, duels, and skill development.
Velarium
A PvP modpack with a dark blue aesthetic and useful HUD features.
Combatlog-Ultimate
A simple CombatLog plugin for MC 1.21+, blocking commands/items in combat, with a configurable timer, logout punishment, No-PvP zones, and language support (DE/EN).
OptimisticMC PvP
High-performance PvP modpack delivered straight to full release with exclusive competitive features. Experience maximum FPS and unique tactical tools designed for professional dominance.
Bedwars 64x64
[Bedwars 64x64] is a high-performance 64x64 resource pack engineered specifically for competitive BedWars, SkyWars, and fast-paced PvP. Operating at a native 64x64 resolution, it delivers a high-definition aesthetic while maintaining maximum FPS stability.
Corroxin's optimizations
A performance-focused PvP optimization modpack designed to boost FPS, reduce input delay, and deliver smoother, move responsive gameplay.
PvP Pack Optimized
This Texturepack has many different features like low fire, low shield, small totem, no explosion effects and more in one pack
FairPack
Adds various Utility features for pvp, redstone and survival like transparent ui, shorter swords, lower shields, golden apple count without Optifine
Melted Optimization
Melted Optimization is a lightweight modpack that keeps Minecraft vanilla while boosting FPS, reducing lag spikes and delay, and fixing common bugs for smoother, more stable SMP and PvP gameplay.