Mods for 1.21.9
35 mods match your filters.
Disable's the Experimental Settings popup, which appears when you create or load world.
A simple mod that adds different animations for chunks!
Updated version of Better Biome Blend, a mod that improves Biome Blending
Disables the “incompatible” warning when loading resource packs with different compact versions.
Makes flowers fields look denser [Client Side Only]
Renders missing snow under various blocks [Client Side Only]
Change the colors of the environment
In-game Minecraft Fabric mod that allows you to do various things with the world seed.
After you place obsidian if you have cyrstal in your hotbar it automatically switches to it and BOOM
A client-side rendering optimization mod for (Neo)Forge and Fabric, featuring asynchronous culling specifically for integrated graphics (Intel UHD/Iris Xe).
Allows you to preview an entire seed in game or during world creation with several map types
it help's you to see ore's in caves, IT IS NOT X-RAY, it shows or that you really can see!
extend minecrafts terrain gen to 2.147 billion while adding the farlands back
Makes those ugly borders better. Has custom keybind and colors!
Adds more settings when creating a world and allows to apply saved settings
A fast, client-side Fabric utility mod that calculates absolute world coordinates by matching bedrock floor patterns using modern 1.18+ generation math.
Speed up reloading a world to allow for quicker dynamic registry changes. Client-side & Singleplayer only!
Downloads worlds from multiplayer servers — a.k.a. advanced world downloader
This mod turns all rain into snow and gives every plant a snowy, white appearance. Enjoy a constant winter atmosphere in any biome!
A Fabric mod that implements a Model Context Protocol (MCP) server, enabling AI assistants like Claude to interact with Minecraft through structured commands.
Better FireFlies (BFF) is a client-side mod that add ambiant Fireflies.
Master canon One Piece abilities, explore iconic world structures, and become Pirate King by discovering the legendary One Piece.
Nine species of atmospheric birds bring biomes to life - they perch, sing, take off and fly away in flocks. Client-side, works on any server.
adds stuff from all four zombies movies (and some of 5)