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Minecraft Java 1.21 Mods

Browse 126,644 free mods for Minecraft Java 1.21 — popular picks include GuidebookAPI, TaCZ Chamber Clarity: Reloaded, EaterSMP.

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126,644 mods

1.21.5neoforge

GuidebookAPI

A library mod for ease creation of mod guide books.

1.3kdownloads

1.21.1neoforge

TaCZ Chamber Clarity: Reloaded

The unofficial 1.21.1 reloaded edition of the Chamber Clarity mod.

1.3kdownloads

1.21.1neoforge

EaterSMP

A survival and horror experience, RPG, magic, and tech into a chilling adventure.

1.3kdownloads

1.21.11

Smaller Weapons

1.21.11 texture pack that make weapons smaller

1.3kdownloads

1.21.1neoforge

Mini-cons - Slime Chunk & Deep Dark Icon

A light-weight client side mod that shows a small icon by your hotbar when you're in a slime chunk or a Ancient CIty.

1.3kdownloads

1.21.1neoforge

Create : Beyond Limits

A Create Addon made By Axell_2D

1.3kdownloads

1.21.9fabric

CatCapes

Change your in-game capes, visible to others using this mod

1.3kdownloads

1.21.4

Better Item Pickup

Better Item Pickup Mechanics

1.3kdownloads

1.21.1

Lost Sky Islands

A datapack (packaged as a mod) that adds clusters of sky islands with ruins from some lost civilization to your Minecraft worlds.

1.3kdownloads

1.21.1neoforge

CobbleTracker (Cobblemon)

A free Cobblemon companion mod that catches the rare spawns you'd otherwise walk past — and shows you where they are.

1.3kdownloads

1.21.11fabric

Traveler's Backpack Stack Extension

This mod does, when using the ‘Traveller's Backpack’ mod, you can carry more then 64 items in a single slot in your backpack. Simple but very useful.

1.3kdownloads

1.21.1neoforge

Create Big Cannons FTB Claims Protection

Makes Create Big Cannons respect FTB Chunks claims — tied to each team's "Allow explosions" toggle.

1.3kdownloads

1.19

Dungeons Cobblestone

Gives cobblestone one of the textures found in MInecraft Dungeons. It was also an unused texture from the texture update.

1.3kdownloads

1.21

Villager Reset

Minecraft Paper plugin and Fabric mod that allows players to employ villagers, cycle their trades and change their professions. Optionally also allows cure discounts to spread among other villagers!

1.3kdownloads

1.21.1neoforge

Rockets & Dragons

For our good friend BrianAllenMW who passed away in Aug 2025

1.3kdownloads

1.21.1neoforge

Astruct

Async Structure Generator: build jigsaw structures far beyond vanilla limits with off-thread planning to reduce server lag.

1.3kdownloads

1.21.1

Origins: The Owl House

An Origin plugin that adds covens and spells themed on The Owl House, made for Origins-Reborn!

1.3kdownloads

1.21.1neoforge

fresh adventures [Neoforge] v4

Fresh Adventures is vanilla+ modpack that has more adventures than any other modpack

1.3kdownloads

1.21.1neoforge

Just a Gun

This mod adds a gun!

1.3kdownloads

1.21fabric

Movie Night

Watch videos with friends directly in Minecraft. Build a theater, invite friends, and enjoy shared media experiences together in-game.

1.3kdownloads

1.21

HeheGamingAndy's Veinminer

'HeheGamingAndy's Veinminer' is a datapack which allows you to veinmine (break every ore next to the one you broke with your pickaxe) in the newest 1.21 Vanilla version and above.

1.3kdownloads