ModsJava
RLCraft Improved Backpacks
Minecraft Java mod. Downloads from the MC Java Mods app on Android.
This mod utilizes Wearable Backpacks as the base mod and further improves it adding upgrades, tiers, auto-sorting and more.
⬇ Download on CurseForge
What this mod does
- Adds upgrade tiers for Wearable Backpacks.
- Higher tiers can have more slots, optional higher stack caps, bauble integration, inventory preview, and fire immunity.
Backpack tiers
- Normal: 9x3, 27 slots, stack cap 64, no bauble slots.
- Copper: 9x3, 27 slots, stack cap 64, no bauble slots.
- Bronze: 9x4, 36 slots, stack cap 66, no bauble slots.
- Silver: 9x4, 36 slots, stack cap 68, no bauble slots.
- Iron: 9x5, 45 slots, stack cap 70, no bauble slots.
- Gold: 9x6, 54 slots, stack cap 96, 1 integrated bauble slot.
- Diamond: 10x6, 60 slots, stack cap 112, 2 integrated bauble slots.
- Obsidian: 12x6, 72 slots, stack cap 127, 2 integrated bauble slots.
- Enchanted: 15x6, 90 slots, stack cap 127, 4 integrated bauble slots.
Important tier bonuses
- Diamond and above disable Encumbered while worn.
- Obsidian and Enchanted backpacks are fire immune.
- Obsidian and above can be removed from Baubles slots even when they contain items.
- Enchanted backpacks have a visual enchantment glint.
- Hold Shift + Ctrl while hovering a backpack in your inventory to preview its contents. This works from Copper tier upward when inventory preview is enabled.
Stack caps
- Higher stack caps are controlled by config.
- If higher stack caps are disabled, backpacks stay at normal vanilla stack behavior.
- Maximum supported stack cap is 127.
Upgrade recipes
- Normal -> Copper: alternate 4 copper ingots and 4 copper blocks. Both checkerboard orientations work.
- Copper -> Bronze: alternate 4 bronze ingots and 4 copper blocks.
- Bronze -> Silver: alternate 4 silver ingots and 4 silver blocks.
- Silver -> Iron: alternate 4 iron ingots and 4 iron blocks.
- Iron -> Gold: alternate 4 gold ingots and 4 gold blocks.
- Gold -> Diamond: alternate 4 diamonds and 4 diamond blocks.
- Diamond -> Obsidian: surround backpack with 4 obsidian and 4 shulker shells, alternating around the backpack.
- Obsidian -> Enchanted: use glowing ingots plus one glowing gem.
Bauble integration
- Bauble integration must be enabled in config.
- Use an anvil: backpack + compatible bauble.
- Integrated baubles count against the backpack tier's bauble slots.
- Duplicate integrations are not allowed.
- Slime Ball on an anvil removes the oldest integrated bauble. You are sliming them.
- Glowing Gem on an anvil extracts the newest integrated bauble and destroys the anvil.
Examples of supported integrated baubles
- Spartan Weaponry arrow and bolt quivers.
- Obsidian Skull.
- Vitamins.
- Bezoar.
- Ring of Free Action.
- Ring of Overclocking.
- Magic Lenses.
- Balloon.
- Lucky Horseshoe.
- Polarized Stone.
- Shield of Honor.
- Glow Ring.
- Wither Ring.
- Some XAT rings, depending on config (blacklisted by default).
- Potion Fingers rings.
Useful config options
- enableHigherStackCap: allows stack caps above 64.
- enableUnstackableHigherCap: allows normally unstackable items to stack in backpacks.
- enableBauleFusion: enables bauble integration.
- enableInventoryPreview: enables Shift+Ctrl inventory preview.
Please feel free to report to me directly:
- Discord: @maxxetto
Quick facts
- Edition: Minecraft Java
- File type: .jar
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as RLCraftImprovedBackpacks-1.12.2-1.0.14.jar — drop this file into the mods folder
- Download size: 81 KB
- Download link checked 3 Oct 2026 — working
These come from our own check of the pack file, not from the source page.