Bigger Stack Size
Stack size of 64 for all items!
About this Mod
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
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
Config pre 1.21.5
To change what group of items should be stackable
/scoreboard players set &active biggerstacksize.config value
value = 0 = Disabled and it all resets
value = 1 = Enabled
Guides
If something doesn't work, feel free to join the discord server
How to Install a Datapack in Singleplayer
At the Creation of a World
How to install a datapack in singleplayer
Open Minecraft
Launch the game.Create a New World
Navigate to "More" and click on "Data Packs".
Add the Datapack
Drag the datapack (a.zipfile or directory) into the Minecraft window.- A confirmation screen will appear. Click "Yes".
Activate the Datapack
Move the datapack to the right-hand side of the screen by clicking the triangle on its icon (visible when hovering over it).
- Complete World Creation
- Click "Done" at the bottom of the screen.
- Continue creating your world and click "Create New World".
⚠️ IMPORTANT ⚠️
The datapack only works if cheats are enabled.
You can verify the datapack is active by typing:/datapack list enabled
This command should list an entry named [file/<your datapack file/directory name>].
In an Existing World
How to Install a Datapack in an Existing Singleplayer World
Open Minecraft
Launch the game.Select Your World
- Choose the world you want to install the datapack for.
- Click "Edit", then "Open World Folder".
Add the Datapack
- Open the folder named
datapacks. - Place the datapack into this folder. It should be a
.zipfile or a directory.
- Open the folder named
Reload the World
- If you are in the world during installation, type
/reloadin the chat or press F3 + T to reload resources.
(Make sure cheats are enabled.)
- If you are in the world during installation, type
⚠️ IMPORTANT ⚠️
The datapack only works if cheats are enabled.
You can verify the datapack is active by typing:/datapack list enabled
How to Enable Cheats Permanently After World Creation
If you encounter this issue, here is a step by step guide on how to enable Cheats/Admincommands permanently after you have already created a Minecraft world.
⚠️ Before you begin, you should save and backup your world in case something goes wrong.
(I will not take any responsibility for any corrupt worlds. Do this at your own risk!)
But don't worry this works without any problems.
If you don't want to change this permanently check out this guide.
1. You need NBTExplorer
NBTExplorer is an open-source NBT editor for all common sources of NBT data. It's mainly intended for editing Minecraft game data.
2. Open NBTExplorer and open your Minecraft world, where you want to enable Cheats/Admincommands.
3. Navigate to:
<Your Minecraft World>level.datDataallowCommands
4. Click on "Edit Tag Value"
5. Change the Value from 0 to 1 and click "OK"
6. Now click on "Save All Modified Tags"
That's it. You are done. You can now join your world and check if you have permission to change your gamemode, for example.
How to Enable Cheats Temporarily After World Creation
Enabling Cheats Temporarily After World Creation
If you encounter this issue, here is a step-by-step guide on how to enable Cheats/Admin commands temporarily after you have already created a Minecraft world.
Join Your World
Open your single-player world and press "Escape".Open to LAN
Click on "Open to LAN".
Allow Commands
Set "Allow Commands" to ON.
Start LAN World
Click "Start LAN World" to apply the changes.
Now, you should be able to use commands like changing your gamemode. Keep in mind that this is only temporary and will need to be done every time you join the world.
How to Install a Datapack in Multiplayer
How to Install a Datapack in Multiplayer
Open Your Server Folder
Navigate to your server folder, then open the folder for the world you wish to install the datapack in (default:world).Add the Datapack
- The datapack should be a
.zipfile. - Place the datapack into a folder named
datapacksinside the world folder.
- The datapack should be a
Reload the Server
- Type
/reloadfrom the console or as a level 3 operator if the server was running during the installation.
- Type
How to Uninstall a Datapack
How to Uninstall a Datapack from Your Singleplayer World or Server
Run the Uninstall Command
For my datapacks, run the command:/function datapack_name:uninstallDelete the Datapack
- Delete the datapack from the folder you placed it in.
- Alternatively, you can run:
/datapack disable [file/your data pack file/directory name]
Reload the World or Server
After deleting or disabling the datapack, run:/reload
How to Install a Mod on a Minecraft Server
Step-by-Step Guide to Installing a Mod on a Minecraft Server
Download the Mod
- Make sure to download the correct version of the Mod that matches your server's Minecraft version.
- Important: The mod file should be a
.jarfile.
Ensure No Datapacks or Other Mods Conflict
- Do not have both a datapack and a mod installed at the same time, as they may conflict.
- Only install one or the other, depending on your server's setup.
Locate the Mods Folder
- Open your server's root directory.
- Inside this directory, find the folder named
mods. - If the
modsfolder doesn't exist, create one.
Install the Mod
- Paste the downloaded
.jarfile for the Mod into themodsfolder.
- Paste the downloaded
Restart the Server
- After adding the Mod to the
modsfolder, restart your Minecraft server for the mod to be activated.
- After adding the Mod to the
Verify Mod Installation
- Once the server has restarted, join the server and check if the Mod is working.
- You can use
/modsor a similar command (depending on the mod) to see if the Mod has been successfully loaded.
Additional Tips
- Backup Your Server: Always create a backup before installing the Mod to avoid data loss in case something goes wrong.
- Ensure Mod Compatibility: Check that the Mod is compatible with your Minecraft server version and any other mods you have installed.
Available Versions
How to Install Bigger Stack Size on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (26.2).
Install Mod
Open the mod browser in the dashboard and search for "Bigger Stack Size". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.2, 26.1.2, 26.1.1 (+16 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Bigger Stack Size server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.2). You can switch loaders with one click in the panel.
Is Bigger Stack Size compatible with datapack and fabric and forge and neoforge and quilt?
Bigger Stack Size officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.2, 26.1.2, 26.1.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Bigger Stack Size – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Bigger Stack Size consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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