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Data Packs
Max stack size 99

Max stack size 99

DATA PACK
This data pack will increase item stacks from 64 to 99.
by cota5
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1,265 downloads
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Updated Oct 14, 2026
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Adventure Miscellaneous
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This data pack will increase item stacks from 64 to 99. This will simplify gameplay, as fewer slots will be filled with duplicate items, and will also reduce inventory clutter.

Video (Ru)

max stack size 99.zip
MC 1.21, 1.21.8, 1.21.5, 1.21.4, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.21.2, 1.21.9, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2, 26.2
Release 2026-07-07 Get
max stack 99.zip
MC 1.21, 1.21.8, 1.21.5, 1.21.4, 1.21.1, 1.21.6, 1.21.3, 1.21.7, 1.21.2, 1.21.9, 1.21.10, 1.21.11
Release 2026-04-28 Get

Requirements & install

How to use this data pack in Minecraft
Mods needed
None, works in vanilla
Minecraft
1.21.8 – 26.2
Install folder
saves/<world>/datapacks

How to install data packs

  1. Download the data pack .zip file (do not extract it).
  2. New world: click Data Packs on the world creation screen and drop the .zip in. Existing world: open .minecraft/saves/<world>/datapacks.
  3. Put the .zip into the datapacks folder of the world (servers: world/datapacks).
  4. Run /reload in game (or rejoin the world) and check it with /datapack list.
Browse more: Data Packs for 26.2 All data packs
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