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Bigger Stack Size Data pack for Minecraft 26.3

Stack size of 64 for all items!

On a server
downloads
4 downloads
views
15 views
Updated
Updated 18.10.2026
  • 26.3

About the Bigger Stack Size data pack

All items are stackable by default to 64, they get updated once they're in your inventory

All items that are normally stackable up to 1 or 16 are now stackable up to 64

Config

/trigger bigger_stack_size.config

If disabled in the config, all items will reset when you split them up in your inventory

To choose what items are stackable

Edit this file:

datapack/bigger_stack_size/tags/item/stackable.json

To make certain items temporarily unstackable, e.g. for an item sorter:

Name the item "unstackable" with an anvil

To update items from a version below 1.21.6

/trigger bigger_stack_size.update_items

Updates every item in your inventory, make sure to not have items that have custom data you don't want to loose (e.g. from other datapacks)

Showcase

Embed Removed: https://www.youtube-nocookie.com/embed/cjL4vdu4QBQ

Stackable Items

  • Armor stands
  • Banner patterns
  • Banners
  • Beds
  • Boats
  • Cake
  • Chest boats
  • Discs
  • Empty buckets
  • Empty shulker boxes
  • Eggs
  • Ender pearls
  • (Enchanted Books) [next update]
  • Honey bottles
  • Hanging signs
  • Lingering Potions
  • Minecarts
  • Potions
  • Saddles
  • Signs
  • Snowballs
  • Splash Potions
  • Stews
  • Totems of Undying
  • Spyglasses
  • Writable books
  • Goat Horns
  • Horse armor

--> All of them are stackable up to 64

How to install Bigger Stack Size

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the data pack for Minecraft 26.3 automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

On a server

  1. Archive goes into the server world’s datapacks

    The world/datapacks folder on the server; players do not need to install anything.

  2. Reload the data

    Type /reload in the server console or restart the server.

  3. Or use the “To hosting” button

    On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.

Versions

With dependencies

MinecraftLoaderFileDateActions
26.3—bigger-stack-size-v2.5.1.0214 KB 4

FAQ

Which Minecraft versions does Bigger Stack Size work on?

Only Minecraft 26.3: there are no files for other versions.

Does Bigger Stack Size work on a server?

Yes: the data pack goes into the datapacks folder of the server world, and players do not need to install anything.

How do I download Bigger Stack Size?

With Millida Launcher: it installs Bigger Stack Size into a modpack by itself, for the right game version and loader. The launcher is free.

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