How to Use Your Inventory

Your inventory is where you tell AnvilCalc what books and items you actually own, so the calculator can plan around them instead of always assuming you're starting from scratch. Everything here is stored only in your own browser — see our Privacy Policy for exactly what that means.

Multiple, named inventories

You can keep as many separate inventories as you like — one per world, per character, or per server, for instance. Each has its own name, icon, and color, plus its own edition (Java or Bedrock, Bedrock first and default) and version, including a "Latest" setting that always tracks the newest version AnvilCalc supports for that edition. Whichever inventory is active is the one the calculator draws from; switch it from the same selector on either page.

The `/inventory` page

Open it from the header or footer nav. It shows only the active inventory — use the switcher at the top to change which one that is, which also makes it active everywhere else (including the calculator). Below that:

Edition & version are always visible here, no need to expand anything.
A search box filters items by name, enchantment, or level (matches both "III" and "3").
Items and books are grouped separately, shown as square cards you tap to edit.
+ Add item opens the full editor: book or item, its type/material if it's an item, its enchantments (tap to cycle levels, same as the calculator), an optional custom name, where you got it, and whether it's already been through an anvil before.

Quantity and unlimited supply

Every item can declare how many you have (default 1) — a stack of three identical books no longer needs three separate entries. If you can always get more on demand (a standing villager trade, for instance), mark it "Available on demand" instead of tracking a number; the calculator treats it as an effectively unlimited supply rather than a fixed count.

Bringing an item back to the calculator ("Upgrade")

Tap the ↑ button on any real item (not a book) to jump straight to the calculator with that exact item — its enchantments, prior-work count, and name — already filled in as the starting point. From there you just pick what you want to add.

Moving an inventory elsewhere

Two separate mechanisms exist for that, covered in their own guides: Importing and Exporting Inventories (a .json file, best for backups or moving between your own devices) and Sharing Your Inventory (a link, best for sending a copy to someone else).