Mods for 1.21.3
8,127 mods match your filters.
Optimizes Minecraft mob AI by scaling calculations based on distance to players, improving performance with as minimal gameplay impact as possible
Datapack that creates a Single Survival Island in an Infinite Ocean World
Motion Blur mod
Make Warden's loot and advancements match its strength!
Utility datapack powered by Lithostitched to support floating islands style world generation by preventing structures from generating in the void
A client-side mod that adds a configurable easy-to-access menu that runs basic repetitive commands.
Provides a filtering system to creative mode tabs.
Brings back nostalgic mechanics and quirks from the console versions of Minecraft!
Instant Restock or Insta Restock makes villagers infinite restock
Increases the recipe output of Rails.
Override the time and weather on the client
Improvements and customization for Minecraft's Titles
Lightweight inventory sorting mod.
Block/Remove particles of your choice with an intuitive GUI and enjoy a less cluttered experience.
This mod makes it so the set time command doesn't reset day count
TweakerMore unofficial (Neo)Forge port.
Collection of datapacks that create Superflat Overworld, Nether, and End Dimensions, with all Structures and Biomes.
Block'oMorph - is a mod for minecraft that allows you morph into blocks like in the mini game block hunt, with it you can turn into blocks of varying complexity, from the simplest stone to a sign with text or a portal to the end.
A Fabric mod that allows dragging sliders further without screen width limit when used with Slyde mod
Nine hotbar slots aren't enough for you? Now you can cycle your whole inventory!
Backup for Fabric
🚪 Automatically opens doors around the player and closes them with a configurable delay.
Makes world borders work per dimension
💾 Creates back-ups of player inventories before death, which can be loaded via commands.