File Extension Library


.JEM File Extension

  • Category: Game Files
  • Format: Text

What are .JEM files and how to open them?

Can't open .JEM file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .JEM file.

What is a .JEM file extension?

.JEM file extension has been classified as Game Files. The format of .JEM file is Text

.JEM is JSON Entity Model File

A JEM file contains entity model information used to alter models in Minecraft with the OptiFine mod tool installed. It stores information about the model in JSON format, which may include the path to a .PNG image that textures the model and information about various parts of the model.

JEM file open in Microsoft Notepad

You will most likely only encounter a JEM file if you are looking to alter the appearance of entities in Minecraft with the Optifine optimization mod installed. Some entities that Minecraft users modify include cows, creepers, dragons, chickens, books, and chests.

If you are looking to override an entity model, you can place the JEM file in the following directory in the resource pack:

assets/minecraft/optifine/cem

Once the JEM file is placed in the directory, the model will appear in Minecraft as long as the OptiFine optimization mod is installed.

How do I open a JEM file extension?

You can open and edit JEM files with various model editors, such as Blockbench and Cubik Studio. These tools allow you to visualize the model while you edit JEM files.

Since JEM files are saved in plain text in JSON format, you can also open and edit the files with text editors. Keep in mind that you will not be able to view the models when editing them.

List of all softwares that can open the JSON Entity Model File
Windows
Mojang Minecraft with OptiFine installed
Blockbench
Cubik Studio
text editor
Mac
Mojang Minecraft with OptiFine installed
Blockbench
Cubik Studio
text editor
Linux
Mojang Minecraft with OptiFine installed
Blockbench
Cubik Studio
text editor

How to fix problems with .JEM files

  1. You need to update the application that you normally use to open .JEM files. Only the latest version of the software supports the current .JEM file format
  2. You need to check the .JEM file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)