The JsonEM Mod (from 1.20.1 to 1.21.8) is a specialized tool created for Minecraft modders, resource pack creators, and modpack developers. It provides a streamlined way to create, edit, and manage entity models using a standard JSON format, removing the need for complex coding or custom model systems. With full support for tools like Blockbench, JsonEM allows you to easily import, edit, and export entity models including both vanilla and modded creatures.
Whether you’re building your own mobs from scratch or tweaking the appearance of existing entities, JsonEM offers a practical and accessible workflow. However, note that it is not compatible with OptiFine, as it uses a different model format.

Features:
- Enables creation and editing of entity models using JSON
- Allows users to dump and modify vanilla or modded entity models
- Exports and imports models easily in JSON format
- Compatible with Blockbench for advanced visual editing
- Lets modders define TexturedModelData using JSON alone
- Works for modders, modpack creators, and resource pack artists
- Not compatible with OptiFine’s model format or CITs
- Supports Fabric and Quilt loaders
- Compatible with Minecraft from 1.20.1 to 1.21.8
Requires:
How to install:
How To Download & Install Mods with Minecraft Forge
How To Download & Install Fabric Mods
How To Download & Install The Quilt Loader
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Why use JsonEM Mod?
JsonEM is a must-have for technical creators who want more control over entity models without writing complex Java code. Its integration with tools like Blockbench allows visual workflows that are beginner-friendly but also flexible enough for advanced users. If you’re developing your own mobs, tweaking existing ones, or designing a custom experience, JsonEM can save hours of manual work.
FAQs
Can I use JsonEM with OptiFine?
No, JsonEM is not compatible with OptiFine or its model system. Use it in mod environments without OptiFine.
Does this work with custom mods?
Yes, you can export and edit models from both vanilla and modded entities.
Can I use Blockbench with JsonEM?
Yes, Blockbench is fully supported and highly recommended for visual model editing.
Is coding required to use JsonEM?
No, the model editing is done via JSON files, and tools like Blockbench simplify the process further.
Which versions of Minecraft are supported?
The mod supports Minecraft versions from 1.20.1 to 1.21.8 using Fabric or Quilt.
Download links
- Fabric / Quilt Version:download Download file
- Fabric / Quilt Version:download Download file
- Fabric / Quilt Version:download Download file
- Fabric/Quilt Version:download Download file
- Fabric/Quilt Version:download Download file
- Fabric/Quilt Version:download Download file
- Fabric Version:download Download file