Mods for 1.21.3
1,036 mods match your filters.
Fix the "unknown host" bug when adding a server or connecting directly to a server with a space at the end of the server address
Parrots have been 'trained' to remain perched on your shoulders!
This mod adds 1 simple command /fps max which increases your fps by a ton
Anticheat Perfected | 3.0005 reach | 99.999% antikb. Fork of GrimAC that's faster, with better reach checks, interact checks, and numerous bug fixes.
A performance-focused fork of Noisium that accelerates Minecraft's terrain generation through targeted optimizations. Generates chunks faster without altering world output.
An all-in-one optimization module dedicated to optimizing client-side rendering and server-side stability and fluency.
Smart FPS Booster is a client-side Minecraft utility mod that helps manage performance by applying configurable optimization profiles and dynamically adjusting selected settings.
Toggle, hide, and style nametags in-game.
Zombie Horsemen is a Minecraft datapack that introduces a new surprise event similar to the Skeleton Trap. When triggered, a zombie riding a zombie horse, equipped with an iron helmet, iron axe, and shield, will spawn to challenge players.
Removes the pesky narrator and all the errors related to it, without throwing another one. Fork of Narrus Yeetus
Reduce lag and keep your animals neatly stored while maintaining full interactivity!
Fast and easy inventory sorter
Fixes volume sliders to work on the correct scale matching our perception
Gives you control over which portals or structures are in your mod pack! Allows you to create a truly themed mod pack. No ruined portals, nether dimension, end dimensions, or even villages if you so desire. You're in total control!
Optimizes maces client side by making smashing like zero ping.
A small mod that fixes Memory Leak issues, optimizes Memory Usage, and increases version/loader support for features of other Memory Leak Fix/Memory Optimization mods
This datapack incresses vanilla ores generation in Minecraft by adding custom configurations for the Vanilla Ores, making them generate more frequently.
Makes sure that as long as you have internet, you will be able to both PING and CONNECT to the server.
Makes chests use static models rather than BlockEntities for better performance
Efficient & customizable update notifications for modpacks on the main menu and in chat. Supports FancyMenu & Rinku!
Customize the visuals of fire to your exact needs and beyond
Build more, spawn less. Hostile mobs naturally avoid civilized areas.
Prevents player from spamming excessive recipe book packets to lag out the server
Optimizes Minecraft mob AI by scaling calculations based on distance to players, improving performance with as minimal gameplay impact as possible






















