How to Edit Minecraft JAR Files (Mods, Classes & Assets)

Step-by-step guide to editing Minecraft JAR files in your browser — no downloads required. Edit mod configs, textures, class files and more.

What Is a Minecraft JAR File?

Method 1: Edit Text Files and Assets (No Coding Required)

Method 2: Edit Class Files (Advanced)

Method 3: Replace Textures

Common Errors

Legal Note

FAQ