Minecraft Java 1.21 Mods
Browse 12,081 free mods for Minecraft Java 1.21 — popular picks include Exploitation Timer, Input Optimizer, Minecraft: Steam Deck Edition.
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Exploitation Timer
A multiloader mod that displays the time at which TNT will explode.
Input Optimizer
Near-zero client input latency.
Minecraft: Steam Deck Edition
MC Steam Deck Edition is a Vanilla+ modpack intended to be used as your Steam Deck main version. Including a full controller support, performance improvements and other enhancements, it will make your adventures more enjoyable, wherever you decide to play.
Ultimate Smooth FPS Booster
Lightweight PvP texture pack that improves visibility and provides a smoother gameplay experience.
TotemGuard
TotemGuard is a simple anti-cheat that tries to detect players who are using AutoTotem.
Breeze Flow Shaders
A more cinematic, realistic version of Complementary Shaders, built to run smoothly even on lower-end PCs.
BareBones Kompotik Edition
Modpack based on BareBones Resource Pack and made to feel even more immersed with shaders and cosmetic mods that have been tweaked.
Rendered Horizons (A Distant Horizons Modpack)
[1.21.5 UPDATED] Distant Horizons, with shaders and peak performance that will truly beautify Minecraft.
Chronos Client
Your go-to performance booster for Minecraft.
Pumpkin
Shaders that (try) to not make your computer cry.
DirtTW's Basement Optimize Pack
A modpack that aims to optimize Minecraft by using mostly client-side mods while maintaining the vanilla experience.
Sound Physics: Aeronautics
Extends Sound Physics so that sublevels are no longer ignored. Your Create Aeronautics creations are missing sound physics and this mod fixes that.
Fantastic FPS (FABRIC) (POWERFUL THAN OPTIFINE)
Play the game with zero lag.
HUB
This Velocity plugin adds a '/hub' command for quick teleportation to the hub server. It supports customizable messages, configurable hub servers, custom aliases and smart load balancing.

Terder's Potato Shader
A lightweight, optimized shader designed specifically for low-end and potato PCs.
KAllFix
Optimization and multithreading written by n1luik
Redirector [Maintained]
Replacing references to element values in enum classes with static final field values references.
Create: Basically Everything
A Create focused modpack (6.0) that also includes guns, planes, and various other vehicles.
Craft Attack 13 Pack
a fan made Modpack fitting for the german youtuber project craft attack 13.Theese are all the mods and more that are used in the craft attack modpacks of the craft attack members.
MakeUp - Breezy
A cel‑shaded, anime‑style shader pack, based on MakeUp - UltraFast.
Bedwars TP
A clean and optimized Bedwars PvP pack with shortened swords, nice GUI, low fire and clear blocks!
PvpHud
A very simple but amazing PvpHud with all of the essentials that you need, including fps, ping, cords, and an armor hud. You can also use the new gui to move everything to your needs!
DonutSMP Crystal Optimizer
Mod that improves crystal PvP by sending smarter attack packets and preventing dangerous hits in servers such as the DonutSMP.
Ambience
A selection of completely client-side mods and resource packs to make Minecraft feel more immersive and cozy.
Abyssal Optimized
A QOL and Performance focused Vanilla Plus Mod pack.

QoM: Excavein
Very Powerful & Configurable vein miner type mod
StarLight Reloaded
This mod is an unofficial port of the StarLight mod to previously unsupported versions of the game.
Dynamic Light Shader
A simple baseline shader that glows/emits light from held items in your hand.
InventoryCrouch
Lets You Keep Crouching While Opening A GUI
World Specific View Distance
Set view distance per dimension to preserve server resources.
Simple Auto Totem
Auto-equips a Totem of Undying to your offhand when it’s empty. NOTE USING THIS MOD MIGHT GET YOU BANNED
Shirium
A Forge optimization mod focused on smoother gameplay, rendering performance, and reduced stuttering.
Screen Mirror Shader
A shader that allows you to rotate the image in the game vertically, horizontally and more
Simply Optimized Forked
An unofficial continuation of Simply Optimized, maintaining the no-bloat, bleeding-edge performance while improving and iterating upon it
Cosmetic Megas [Cobblemon]
Permanent Megas & Gmax? - Say no more. Equip your Mega Stone or Max Soup in the cosmetic slot to look at them forever!
NG Fog-Remover
A best Fog remover Mod which use used to disabled the ugly regular fog in fabric with sodium no need of optifine. It is toggle by clicking N in the Keybind