Minecraft Java 1.21 Mods
Browse 12,081 free mods for Minecraft Java 1.21 — popular picks include S3eed Experience, i hate shadows, Yet Another Memory Optimization (YAMO).
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S3eed Experience
The official S3eedxx Experience Modpack
i hate shadows
Fullbright shader, banished every shadow.👋 You’re welcome.
Yet Another Memory Optimization (YAMO)
Don't load JAR files in memory and lazy-load DFU
Smooth Entity Shadows
Makes the Shadows under Entities Smooth. The closest you can get without shaders and optifine!
ZSTDNET
Use ZSTD to compress and relay traffic between the client and server, aiming to reduce public bandwidth usage in high-redundancy data scenarios.
Advanced Autoclicker
Advanced In-Game auto-clicker with Custom GUI. Choose between modes such as spam and hold. Configure click conditions, CPS click speed, and much more!
Bare Bones X Enchantment Outlines
Bare Bones X Enchantment Outlines adds crisp, colorful outlines to enchanted items while keeping the minimalist Bare Bones X style. Perfect for PvP or survival, it improves visibility of gear without impacting performance.
Craft More Chains
Increases the output of the chain recipe, giving 2 chains per craft instead of 1.
Optimism-shader
A shader to make Minecraft more Horror-ish
PvP mods with optimization
A lightweight PvP-focused Fabric modpack that enhances combat performance, reduces lag, and improves visuals. Perfect for smooth multiplayer duels and crystal PvP.
Os' Shimmering Ores
Emissive and non-emissive options available. Emissive version requires Optifine or McMeta Emissive Textures. Make your ores shine and glimmer with animations. Using the emissive version, they'll shine in the dark like a beacon begging you to mine them!
Shingeki no Craft
Shingeki no Kyoujin THIS IS A FAN MODPACK CREATED WITH THE MOD OF FANFO AND COMPABILITY AND QUALITY OF LIFE MODS.
Low Fire & Side Shield
A minimal, performance-friendly resource pack that reduces both the fire overlay and shield visibility, now featuring a compact side shield for even better screen clarity. Perfect for PvP and survival players who value visibility and a clean HUD.
Mindshifter's Katana
[OPTIFINE/CIT] Allows you to change your sword to Mindshifter's katana
BactroTweaks
Fullbright, low fire, low shield, no fog, no pumpkin blur and more all in one mod!
PSX Shader NB
A non-bouncy fork of ckosmic's Minecraft PSX Shader
Tnt Limiter
A mod that limits the number of tnt rendered by the client to decrease lag with massive tnt explosions by an insane amount
Warped Memory
This shader, turns the game into a glitchy VHS tape. Distortions, noise, flickering and blurred colors create the effect of an old tape, immersing you in the atmosphere of a forgotten nightmare
Vanilla Connected Textures
Connected Textures that don't require OptiFine or any other mods!
Full Sodium GUI
Makes all the GUIs in Minecraft Sodium styled
GD656极致生电整合包
An ultimate power generation integration package specially designed for Redstone players
CPvP Sounds
PvP Sounds is a lightweight resource pack that replaces the default Minecraft sounds with cleaner and sharper effects optimized for PvP. Get clear hit sounds, satisfying damage feedback, and smoother audio that helps you focus during fights.
Create Combined
Create, aeronautics & much more!
Cobblemon Optimised
Cobblemon Optimised is a carefully curated mod pack designed to offer a fresh take on the beloved world of Pokemon in Minecraft. With the new Cobblemon mod as its centrepiece, players can dive into a rich and immersive Pokemon experience.
AsguhoServer
Simply a really optimized server with the tools you need to build awesome contraptions. This modpack include mods such as carpet, syncmatica etc.

Yamashita Shimejize 🍄
A shader with a slight rain scent.
Motion Blur For PvP
Smooth motion blur. Made good for PvP
Essential EXTRA
Essentially ModPack for playing with your friend!
Cozy Modpack by remkkic
A smooth, cozy, and aesthetic modpack for streaming and survival.
SMPOnline Season 5 Modpack (Official)
Client-side rendering optimizations and modded features (such as Painting), intended for use on SMPOnline Season 5
Post'n'Stuff!
a performance shader focusing on ao, post, and bloom. (WIP)
Bundle Scroll
Unlock the full potential of bundles by cycling through the contents of a bundle using the scroll wheel
Auto Totem Light
A simple and small Mod that sets a Hotkey to automatically switch a Totem to your Offhand.
Fabricia
A Vanilla modpack aimed at creating a lively environment, useful mechanics, and performance mods specifically tailored for Mulltiplayer and social gameplay. Previously known as Fabricstarter
FPS++
This modpack gives you a big fps boost.

Tree Cutter
Tree Cutter+ lets players cut entire trees instantly by crouching and breaking logs. Supports all vanilla logs and stems and compatible with Minecraft 1.21.