Bigger Stacks
by PORTB
Players who want stacks larger than 64 can use Bigger Stacks, a Forge library that raises item stack limits through configurable rules.
What it does
Stack size can be raised beyond 64, up to roughly one billion, although the author advises against going that high. The limit is set per item by rules that match on tags, on the mod an item comes from, and on other criteria, so a whole group of items can be changed at once.
When a world loads with the mod unconfigured, a prompt appears in chat with a command. Running it, or using /biggerstacks quicksetup at any time, opens a configuration screen. Several item transport mods have been adjusted for larger stacks, and details are kept in the config file. Incompatibilities should be reported to the Bigger Stacks author rather than to the other mod's author.
Bigger Stacks is released under the GNU Lesser General Public License v3.0 only, and its source code and issue tracker are public. Client and server both need the mod. Forge files cover 1.16.5 – 1.20.1 across six release versions, with 1.20.1-2026.06.17 as the latest one, published 2026-06-17.
Key features
Stack limits above 64
Items can hold far more than the default maximum, up to about one billion per stack.
Rule-based stack sizes
Stack sizes are assigned by rules that match on tags, source mod and other properties.
Quick setup command
The /biggerstacks quicksetup command opens a configuration GUI at any time.
Transport mod adjustments
Several item transport mods have been changed to handle bigger stacks, with notes in the config file.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Storage-heavy survival
Players who keep large quantities of common materials can cut down on the number of chests they need.
Modpack tuning
Pack authors can set stack sizes per item group so the balance matches their progression.
Who it’s for: Players and server owners who want larger item stacks, and modpack makers who need to tune stack sizes across many items.
How it compares
Sensible Stacks is server-side only, open source under the Mozilla Public License 2.0, and published for 1.20.1. Why stacks of 16? is a client and server mod under the MIT License, with Fabric, Forge and Quilt files for 1.18.2 – 1.20.4, so it covers more loaders and versions than Bigger Stacks. Limit my inventory! is server-side only, MIT licensed and built for 1.19.2 on Forge.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Bigger Stacks | Forge | 1.16.5 – 1.20.1 | Client and server | 2026-06-17 |
| Sensible Stacks | Forge | 1.20.1 | Server-side only | 2025-05-03 |
| Why stacks of 16? | Fabric, Forge and Quilt | 1.18.2 – 1.20.4 | Client and server | 2022-12-10 |
| Limit my inventory! | Forge | 1.19.2 | Server-side only | 2023-06-08 |
Questions
Does Bigger Stacks need to be installed on the server?
Which game versions does Bigger Stacks support?
What should a server owner do if a transport mod stops working?
In the catalog
Bigger Stacks is one of 3,514 Library mods on ModsFinder, and one of 1,576 Library mods for Forge. 34,764 mods support Minecraft 1.20.1.
More from PORTB
Similar mods
What the author says
Uninstalling older versions of this mod and using it on a world that previously had it installed may have negative consequences! Allows you to increase stack size beyond 64, up to ~1 billion (though I don't recommend you go that high).
Official listing
- Modrinth page
- modrinth.com/mod/biggerstacks
- Owner
- PORTB
- Published
- 2023-06-16
- Updated on Modrinth
- 2026-06-17
- Facts verified
- 2026-10-15