Minecraft Java 1.21 Mods
Browse 14 free mods for Minecraft Java 1.21 — popular picks include Inventory Pets, Mobstein : Revive animals and necromancy!, Tolkien Tweaks - Mobs Edition.
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Inventory Pets
Inventory Pets are living animated creatures that exist in your inventory and give you amazing special effects, drops, buffs, utilities, defenses, and weapons in exchange for care and feeding.
Mobstein : Revive animals and necromancy!
Adds new utilities for useless vanilla animals and a new Frankenstein mob
Tolkien Tweaks - Mobs Edition
Additional tools for modpack and map makers

IFramesTweaker
Tweaks How Invincibility Frames are handled to make fast weapons function properly.
AL's Mob Weapons
A pack that gives some mobs custom weapons from Minecraft Dungeons!
Sweety's Horse Armor Tweaks
🐎 A small mobility buff for your Horse Armors
Riding Utilities
Makes riding mobs more interesting.
Immersive Armor
A simple quality of life mod where wearing all four armor pieces negates damage by redirecting it to the armor.
Anti-Mace
A simple quality of life mod where turtle helmets negates mace falling attacks.
Saltpeter Gunpowder
A vanilla-friendly, immersive, well researched gunpowder crafting mod with no feature creep and no world generation tweaks.
Libenburg
A clean gray-themed PvP texture pack that improves weapon, armor, GUI, and effects for competitive gameplay.
Viridis
Viridis — a lightweight 16x PvP pack that keeps Minecraft looking exactly like Minecraft. Just the competitive edits: fullbright, clearer fire, cleaner weapons, less visual noise. Vanilla feel.
Auroria | The Pink Expansion
Auroria Addon/Mod features pink related items and quality of life features.
Deep Dark Binding
Brings back the Golden Lasso from Extra Utilities (1.12.2) in modern Minecraft, allowing you to capture, transport and release mobs easily.