promotional bannermobile promotional banner

InventoryStacks

Change the amount of each item you can hold in one slot.
InventoryStacks BETA
 
This plugin allows you to edit the max amount of any item in one stack.
This includes potions, buckets, snowballs, eggs and more. This plugin can bypass the default maximum of 64 items in one stack.
 
Discord For Support + New Features: https://discord.gg/Rqmngywv57
 
Maximum Stack Amounts:
 
Version 1.7 - 1.20.3 = 127 per stack maximum
Version 1.20.6 - 1.21.11 = 99 per stack maximum
 
Supported Server Types:
 
- Spigot
- Paper
- Purpur
- Folia
 
Examples:
 
- Change the max amount of enderpearls to 64 per stack.
- Change the max amount of potions you can hold to 32 per stack.
- Change the max amount of snowballs you can hold to 64 per stack.
 
Commands:
 
/stack - Stack all the items in your inventory (not required).
/stacks reload - Reload the plugin with a new configuration.
 
Permissions:
 
STACKS.* - Access to all of this plugin's permissions.
STACKS.RELOAD - Access to the reload command.
STACKS.COMMAND - Access to /stack command.
 
Important Information (Versions under 1.20):
 
+ There is a visual glitch with containers above the default stack amount (unsolvable 1.8-1.20).
 
Images -
 
 
 
 
Config.yml -
 

# General Settings

check-for-updates: true # Check for new plugin updates

# Use mini messages
# Allows for clickable links, actions and more.
# https://www.spigotmc.org/threads/minimessage-rich-text-messages-made-easy.433454/

use-mini-message: false

# Stack command
# Default Stack Type = HAND / ALL
# Hand stacks all items player is holding
# All stacks all the items in the player's inventory
# Command = /stack or /stack [HAND/ALL]

stack-command:
  enabled: true
  default-stack-type: 'HAND'
  
# Minecraft 1.20.5+ ONLY
# When TRUE, forces legacy reflection-based stack handling instead of ItemMeta
# May improve performance on large servers with many custom stack updates
# Known limitation: container GUIs may not reflect updated stack sizes (only visual)
# Restart your server when toggling this setting
  
use-legacy-reflection: false

# Minecraft 1.20.5+ ONLY
# This setting only applies when "use-legacy-reflection" is false
# When TRUE, an item that is not listed in "items" section, it will reset to default vanilla amount
# This only applies when it has a custom stack amount to avoid overuse

auto-stack-cleanup: true
  
# Update rate for buckets, drinkable items, and damageable items
# This is an option because on folia it needs more of a delay to work correctly
# This is in ticks

item-change-delay: 2

# This setting will enable a max stack amount for ALL items in the game and make them all the same size

max-stack-for-all-items:
  enabled: false # Disabled by default
  amount: 1
  whitelist: # This is a whitelist of items that won't be included
  - DIAMOND_PICKAXE

# Max Item Stack Sizes
# Format = MATERIAL NAME : STACK SIZE
# (This list of items will also work with max-stack-for-all-items if enabled)

items:
  POTION: 16
  # SPLASH_POTION: 16

############################################################################
#                                                                          #
#   This section applies when:                                             #
#                                                                          #
#   - Minecraft version is earlier than 1.20.5                             #
#   - OR "use-legacy-reflection" is enabled                                #
#                                                                          #
############################################################################


# Disallow stacked items/tools in anvils to be applied

disallow-stacked-anvil-items: true
    
# Update players inventory after merging stacked items (not required for 1.18+)
# This makes it look cleaner when items are stacked

update-inventory-on-merge: true

# This option prevents the glitch that happens when you combine a damageable item (not required for 1.17+)
# Without this, the items could combine and then durability will also combine to undamaged items

prevent-shift-combining-damageable-items: true

# Make brewing stands not be able to stack potions (not required for 1.20.6+)
# This makes it so brewing stands only allow 1 potion in the potion slot

one-potion-per-slot: true

 

Search Tags -

128 stack size
minecraft stack sizes
changing stack amount
increase 64 stack
snowball stack size
potion stack stack
stackable
enderpearl stack size
increase 16 stack
minecraft item amount
change item stack amount
change item amount
item sizes
unlimited stack sizes

 

The InventoryStacks Team

profile avatar
  • 4
    Projects
  • 2.5K
    Downloads

More from CodingGuru1968

  • TrailPaths project image

    TrailPaths

    • 40
    • Bukkit Plugins

    Allows players to leave a path behind them while walking.

    • 40
    • January 30, 2026
    • Bukkit Plugins
    • +1
  • AntiAutoFishing project image

    AntiAutoFishing

    • 95
    • Bukkit Plugins

    Stop players from using an auto fishing mod.

    • 95
    • January 27, 2026
    • Bukkit Plugins
    • +1
  • VoteBan Players project image

    VoteBan Players

    • 75
    • Bukkit Plugins

    Allows verified players to start votes to ban/kick/mute players without having mod permissions.

    • 75
    • January 27, 2026
    • Bukkit Plugins
    • +1
  • TrailPaths project image

    TrailPaths

    • 40
    • Bukkit Plugins

    Allows players to leave a path behind them while walking.

    • 40
    • January 30, 2026
    • Bukkit Plugins
    • +1
  • AntiAutoFishing project image

    AntiAutoFishing

    • 95
    • Bukkit Plugins

    Stop players from using an auto fishing mod.

    • 95
    • January 27, 2026
    • Bukkit Plugins
    • +1
  • VoteBan Players project image

    VoteBan Players

    • 75
    • Bukkit Plugins

    Allows verified players to start votes to ban/kick/mute players without having mod permissions.

    • 75
    • January 27, 2026
    • Bukkit Plugins
    • +1