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Source-checkedQuality of life & UI

Illegal Stack Fixer

by mrmelon54 · for Minecraft

Resets stack count to maximum stack size

2.5KDownloads
3 yr agoLast updated
LGPL-3.0-onlyLicense
Fabric · Forge +1Loaders
Add to my serverDownload from Modrinth

About Illegal Stack Fixer

From Modrinth

Resets stack count to maximum stack size

Illegal Stack Fixer

ko-fi

Requires the Fabric Loader and Fabric API

A Fabric Minecraft server to use the mod on

Setup

  • Drop the mod in the server mods folder

Details

Illegal Stack Fixer is a server-side mod to set the stack size of any stack to the maximum stack size if the stack size is too big.

It detects all invalid stack sizes from chests-like blocks and entities with storage upon any non-creative player opening the inventory.

Download

Highlights

From source data

Game versions

Supports 10 Minecraft versions, the newest being 1.20.4.

Loaders

Runs on Fabric, Forge and Quilt.

Footprint

Rated a light load on a server.

Illegal Stack Fixer on Nxeon

From our catalogue
One-click install
Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
Server side
Required on the server
Server type needed
Fabric, Forge, Quilt
Server load
light
Smallest plan we suggest
Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
Latest build
1.0.1, released 2024-01-19

Game versions by loader

LoaderGame versionsNewest
Fabric1.20 to 1.20.4 (5 versions)1.20.4
Forge1.20 to 1.20.4 (5 versions)1.20.4
Quilt1.20 to 1.20.4 (5 versions)1.20.4

From 5 recorded builds of Illegal Stack Fixer.

Recent builds

BuildReleasedGame versionsLoaders
1.0.12024-01-191.20.4Fabric, Forge, Quilt
1.0.02024-01-081.20 to 1.20.4 (5 versions)Fabric, Forge, Quilt
1.0.02024-01-081.20 to 1.20.4 (5 versions)Fabric, Forge, Quilt
1.0.02023-10-031.20.2Fabric, Forge, Quilt
1.0.02023-07-021.20 to 1.20.2 (3 versions)Fabric, Forge, Quilt

Run Illegal Stack Fixer on a Minecraft server

Pick a server or deploy a new one above; it is installed in one click.

What kind of mod it is

From the catalog
Listed on Modrinth as “Mods”

Quality of life & UI

Small conveniences, tweaks and interface improvements players notice straight away.

Runs on your server

From source side support

Modrinth lists Illegal Stack Fixer as required on the server. Check its Modrinth page to see whether players need it too.

Compatibility

Game
Minecraft
Loaders
FabricForgeQuilt
Runs on
Serverrequired on the server
Game versions
1.20.4 and 9 earlier

Verified at the source

  • ✓ModrinthOfficial listing, checked 2026-10-02Open ↗
  • ✓Authormrmelon54, as published on Modrinth
  • ✓LicenseLGPL-3.0-onlyFree

Illegal Stack Fixer, answered

Generated from the mod’s own source data.

Do my players need to install Illegal Stack Fixer?

Modrinth lists Illegal Stack Fixer as required on the server. Check its Modrinth page to see whether players need it too.

Which loaders does it support?

Fabric, Forge and Quilt.

Is it free?

Yes. Illegal Stack Fixer is free to download from Modrinth. Its license is LGPL-3.0-only.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run Illegal Stack Fixer on a Minecraft server.

Deploy in about a minute from $4.99 a month, then add Illegal Stack Fixer in one click.

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