
JMCC Value Converter
A mod for converting values and items from JustMC to JMCC.
Screenshots



About this Mod
English
A client-side mod that converts item data and values from JustMC format to JMCC format.
Requirements
- Fabric API 0.141.3+1.21.11
- Fabric Language Kotlin 1.13.9+kotlin.2.3.10
Usage
Press the conversion key (default: K).
- If the inventory is closed, the item in your hand will be converted.
- If the inventory is open, the item under the cursor will be converted.
You can change the keybind in the Controls settings.
Русский
Клиентский мод для конвертации данных и значений предметов из формата JustMC в формат JMCC.
Требования
- Fabric API 0.141.3+1.21.11
- Fabric Language Kotlin 1.13.9+kotlin.2.3.10
Использование
Нажмите клавишу конвертации (по умолчанию K).
- При закрытом инвентаре конвертируется предмет в руке.
- При открытом инвентаре конвертируется предмет под курсором.
Клавишу можно изменить в настройках управления.
Available Versions
How to Install JMCC Value Converter 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 (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "JMCC Value Converter". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
JMCC Value Converter 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 (1.21.11). You can switch loaders with one click in the panel.
Is JMCC Value Converter compatible with fabric?
JMCC Value Converter officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JMCC Value Converter – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if JMCC Value Converter 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 JMCC Value Converter with just one click on your server.