Minecraft Java 1.21 Mods
Browse 12,086 free mods for Minecraft Java 1.21 — popular picks include PVPLite, Palma Pack, Simple CPVP Essentials.
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PVPLite
The essentials of PVP. Extremely lightweight.
Palma Pack
Palma Pack - это отличная сборка для игры сделанная для комфортной игры на серверах! Наша сборка, отличается от других сборок, обилием возможностей и модов
Simple CPVP Essentials
Simplistic / Optimized CPVP Resource Pack
McTiers PvP
a Qol modpack designed specifically for McTiers, improving performance and adding useful utilities.
Mysticism
A modpack focused on performance, including aesthetic-ready mods and QoL improvements!

RETRO_VHS_Screen
A minecraft styled vhs shader for horror modpacks, with flickering rec, and some more cool things.
Data/Resource Pack Modpack
SUPERCHARGE your productivity when making datapacks and resourcepacks!

FFYPVP
The Bed Wars texture pack includes: low fire, short swords, sky (OptiFine), wool, minerals, items (blaze powder, blaze rods, ender pearls...), and food (golden apples [enchanted]).
The Oblivion Sanctum
A vanilla+ modpack with an "everything" kind of feel.
Gamemode Shortener
A simple mod the that adds /gmc for /gamemode creative, /gms for /gamemode survival, /gmsp for /gamemode spectator, and /gma for /gamemode adventure
Roosters qol/pvp pack
The all in one pvp/QOL pack! Improves performance, adds QoL features, and has many things to make your PvP experience better. FPS may even increase by 100 in some situations
DS-PearlFix
Solve that disgusting EnderPearl glitch now
True Attack Indicator
True Attack Indicator optimizes the vanilla attack indicator by displaying the correct amount of time between hits which the vanilla attack indicator shows the incorrect amount of time.
DuelsReloaded
An optimized version of the Duels plugin with additional features.
Faithful Glowing Ores 64x Addon
Addon for Faithful 64x texture pack. Make Ores Glow for Optifine Users.
WrongResourcePackDetector
Detect if the player is loading a resource pack in the wrong place. Compatible with Iris and Optifine.
ClearVision Shader
Ultra clear and bright shader with enhanced colors, smooth lighting, and built-in night vision for perfect visibility in all dimensions.
PvP mods with optimization (vulkan)
A lightweight PvP-focused Fabric modpack that enhances combat performance, reduces lag, and improves visuals. Perfect for smooth multiplayer duels and crystal PvP.

RedProtect
Prevent redstone clocks that might lag the server
Fast Vanilla
Fast Vanilla makes Minecraft run faster and smoother, just like magic! It still looks and feels like the normal game you love, but with less lag and quicker loading. No crazy changes—just better and faster fun!
SMPCaves Clientside Modpack
• our allowed mods • nice to have QoL Mods • Performance enhancing Mods • Modpack is used by the Community of the SMPCaves.de Minecraft Server •
PosterizationShader
PosterizationShader is a lightweight shader pack for Minecraft that applies an artistic posterization effect to the game's visuals. The shader reduces the number of colors to create a stylized "poster" look with visible color bands.
The Aquamazong Special
A client-side modpack that adds optimization, visual, audio, and QoL improvements.
MCC Island Pack
(Unofficial) MCC Island QoL and Performance Mods
NovaLite Visuals
This is a texture pack made by me, for people who want to use shaders but their device cant handle it. This pack recreates a shader-like feel (also uses core-shaders for shadows and lighting) whilst maintaing good performance with little to no fps drops!
CobbleZero
🌟 CobbleZero Modpack Summary CobbleZero is a custom Cobblemon adventure built for trainers who want more than just catching Pokémon. With gyms, NPC opponents, Mega Evolutions, and QoL mods, it’s the perfect blend of survival Minecraft and a true Pokémon
Fresh optimization
This is a basic integration package that integrates common Minecraft mods. The purpose is to allow players to install new Minecraft without having to download mods.
High-Frequency Murasama
[OPTIFINE/CIT] Allows you to change your sword to MGR Murasama
Roman Minimap
A high-performance minimap with smooth rotation, true block colors, and advanced terrain mapping. Includes full waypoint and player teleport management, customizable zoom, shading, and keybindings.
Kool Studio (BBS)
Machinima & Building Pack Include BBS FS, Axiom, Chisels & Bits, IRLights
Vulkan X PvP
Clean PvP experience with Vulkan powered performance
visual plus+
Сборка для улучшения опыта игры, а так же для игры на серверах с максимальным количеством возможностей и красоты Build to improve the game experience, as well as to play on servers with maximum features and beauty

Buffer
longerPlaying is a high-performance utility for Fabric 1.21.x designed to eliminate "session decay". It ensures a stable, stutter-free experience for 12+ hour sessions without restarting your launcher
Kai PvP
A modpack made for the best fps possible along with some essential PvP mods.
Frozen Realms
The Frozen Realms Pack is a vanilla enhanced modpack created for the Frozen Realms SMP.
IdkStuff
Inspired by Actions & Stuff, this modpack aims to enhance the game with smooth animations, along with the addition of other cool features! This modpack also improves game performance.