
About this Mod
DataTweaks
Make datapack development easier – without breaking vanilla compatibility.
DataTweaks is a lightweight utility mod designed for datapack creators. It adds helpful tweaks that streamline datapack development, without altering how datapacks function in vanilla Minecraft.
✨ Features
- 🔁 Backport of
/datapack create– Available in Minecraft 1.21.6+, this powerful command is now accessible in older versions. - 🧰 Tweaks tailored for developers – Tools and commands that make testing, building, and maintaining datapacks simpler and faster.
- ✅ Fully vanilla-compatible – Datapacks made or edited with DataTweaks still work perfectly in unmodded Minecraft.
🧠 Who is this for?
If you're a datapack developer looking to improve your workflow, debug faster, or just want quality-of-life features without affecting gameplay mechanics, DataTweaks is for you.
🔧 Technical Info
Safe to remove at any time – it doesn’t modify core mechanics or save data.
⚠ Early Development
DataTweaks is still in early development and still has a long way to go before reaching its full potential, more features will be added and some systems will have reworks in final updates.
Version will release at variaing times. Pre-Release versions will be available for minimal game versions, and release versions will be ported to common minecraft versions.
Available Versions
How to Install DataTweaks 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 (1.21.5).
Install Mod
Open the mod browser in the dashboard and search for "DataTweaks". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.5, 1.21.4, 1.21.3 (+1 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
DataTweaks 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 (1.21.5). You can switch loaders with one click in the panel.
Is DataTweaks compatible with fabric?
DataTweaks officially supports fabric for Minecraft 1.21.5, 1.21.4, 1.21.3. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with DataTweaks – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if DataTweaks 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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Rent Modded Server
Install DataTweaks with just one click on your server.