One Stack Size
Makes every single item have a stack size of 1, because why the hell not.
Screenshots
About this Mod
Ever hated yourself or thought this game was too easy? Then dont worry! This mod makes every single item in the game have a stack size of 1. 64 cobblestone? No more, 16 enderpearls? No more.
if you want any other version then wait or ask me on discord: michiel1106
Join the Discord! where this mod was even requested! You can ask for help, a mod, just suggest something, hangout or request the source code of any mod I have made (if I still have the source code)
Or donate to my Kofi incase you are feeling generous!
Available Versions
How to Install One Stack Size on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "One Stack Size". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.4, 1.20.3 (+3 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
One Stack Size server crashes on startup – what to do?
Most common cause: wrong fabric 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 (1.21.1). You can switch loaders with one click in the panel.
Is One Stack Size compatible with fabric?
One Stack Size officially supports fabric for Minecraft 1.21.1, 1.20.4, 1.20.3. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with One Stack Size – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if One 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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Install One Stack Size with just one click on your server.