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Minecraft Java 1.21 Mods

Browse 12 free mods for Minecraft Java 1.21 — popular picks include Chemical Science, JJs Engineer Mod (Maschinery, PVP, Decorative...), Angel Extra Utilities.

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Chemical Science
1.20.1forge

Chemical Science

An Addon for Electrodynamics, adding ores, machines, decorations and more chemistry stuff.

45kdownloads
JJs Engineer Mod (Maschinery, PVP, Decorative...)
1.21forge

JJs Engineer Mod (Maschinery, PVP, Decorative...)

Engineer, Combat, Ores and Recources and Decorative stuff for 1.12-1.20

14kdownloads
Angel Extra Utilities
1.21.1neoforge

Angel Extra Utilities

Adds unique decorative and functional blocks inspired by Extra Utilities 2. Perfect for players seeking aesthetic and practical building options.

7.3kdownloads
Dong Dong's random creation
1.21.1neoforge

Dong Dong's random creation

magic and energy,new ore,new dimension,new tool and weapon type.

3.3kdownloads
Not Serious Bare Bones Mod Compat
1.20.1

Not Serious Bare Bones Mod Compat

Bare Bones Compatibility for Various Mods! Wood Armor, More Ladders, Pure Copper Tools, Wheelbarrow, Amethyst Equipment, Inmis, Bronze, Copper Golem, Simple Copper Pipes, Basic Weapons, Snow Pigs, Nears, Nemo's Creatures, Sandwich Mod, and more!

2.7kdownloads
Military Tanks & Helicopters
1.21.1neoforge

Military Tanks & Helicopters

Drive tanks and fly helicopters with full interior views, weapon systems, and fuel mechanics

2.1kdownloads
A Bunch of Unecessary Things
1.21.1neoforge

A Bunch of Unecessary Things

fun mod of decoration, tools and armor

749downloads
GSG
1.21.8neoforge

GSG

GSG is a lightweight gameplay enhancement mod that expands Minecraft with new equipment and progression-focused content. It adds balanced tools, weapons, and armor designed to fit naturally into vanilla survival without affecting performance.

383downloads
INeedMoreWeapons
1.21.9

INeedMoreWeapons

This datapack adds 80+ weapons and crafts!

230downloads
War of Valor: WW1 Mod
1.21.1forge

War of Valor: WW1 Mod

WWI (First World War) Mod. With customized 3D WWI Blocks, 3D Weapons and Uniforms. Along with other WW1 Themes such as trench life and a lot of barbed wire and sandbags. Along with a proning mechanic.

188downloads
LMod
1.21.6fabric

LMod

LMod is a general content mod that adds features such as guns, a seed pouch, and an Exp Chest!

128downloads
GlowSense
1.21.8fabric

GlowSense

This mod provides real-time visual cues for combat, tools, and survival, highlighting the best weapon, tool, or food based on the situation to make gameplay more intuitive and responsive.

24downloads