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Minecraft Java 1.21 Mods

Browse 11 free mods for Minecraft Java 1.21 — popular picks include Inventory Pets, RPG Backpacks, Arda's Backpack.

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Inventory Pets
1.21.1neoforge

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.

45Mdownloads
RPG Backpacks
1.21.1neoforge

RPG Backpacks

Adds backpacks with different storage capacities for carrying more items.

294kdownloads
Arda's Backpack
1.16.5forge

Arda's Backpack

Expand your inventory with Arda's Backpack! This essential storage mod adds portable, upgradable backpacks to Minecraft, allowing you to carry more loot and manage your items with ease. Upgrade from basic leather to powerful ore-infused tiers.

3.2kdownloads
Gooners Go Beyond
1.20.1forge

Gooners Go Beyond

A modpack made for multiplayer or single player with more dimensions, weapons (guns, tanks, plane turrets, new swords and spells), many more ores and mobs, also more technical aspects such as chemistry, better storage, planes and helicopters.

1.5kdownloads
Noeforge Goublaglax
1.21.1neoforge

Noeforge Goublaglax

Immersive modpack with shaders, voice chat, vehicles, NPCs, backpacks, and decorative mods. Optimized for performance and balanced for solo or multiplayer.

173downloads
HeroPets
1.21.11paper

HeroPets

Adopt, level up, and care for RPG Tamagotchi companions with custom vitals, digital PC storage, and mountable pets!

52downloads
Soulplied Energistics Mod (1.21.1) – Automate Soul Energy Transfer
1.21.1neoforge

Soulplied Energistics Mod (1.21.1) – Automate Soul Energy Transfer

Soulplied Energistics Mod is an addon for Industrial Foregoing Souls and Applied Energistics 2 (AE2), enabling the transfer of souls using AE2’s storage and automation systems. Features: Transfer and manage Warden Souls using AE2. Attach a Storage Bus to a Soul Laser Base for AE2 access. Use interfaces and filters to request and distribute souls. […]

The Cardboard Box Extension
1.21.4neoforge

The Cardboard Box Extension

A box for moving tile entities such as Chests, Furnaces and Spawners

101kdownloads
Better Horses: Saddle Packs | Horse Backpacks | Inventory For Horses
1.21.1neoforge

Better Horses: Saddle Packs | Horse Backpacks | Inventory For Horses

Saddlebags for horses, giving them portable inventory storage so you can carry more items while exploring.

7.8kdownloads
Digitized Munitions Cache Mod (1.21.1, 1.20.1) – Reload Guns Directly
1.21.1

Digitized Munitions Cache Mod (1.21.1, 1.20.1) – Reload Guns Directly

Digitized Munitions Cache Mod connects your ammunition supply directly to your Applied Energistics 2 ME network. It introduces the Wireless Ammo Box, a special inventory item that pulls bullets straight from digital storage whenever you reload your weapon. This removes the need to carry multiple stacks of bullets, saving valuable inventory space during combat. Features: […]

Sensible Stackables Mod (26.2, 1.21.1) – Balanced Stack Increases
1.21.1

Sensible Stackables Mod (26.2, 1.21.1) – Balanced Stack Increases

Sensible Stackables Mod increases the stack sizes of commonly unstackable or low-stack items in Minecraft. From potions and stews to saddles, boats, enchanted books, and more, this mod helps reduce inventory clutter and improves storage. Features: Increases stack sizes for select items: Potions: 3 Saddles, boats, minecarts, beds, stews/soups: 16 Enchanted books, ender pearls, snowballs, […]