How To Delete Specific Chunks in Your World?

In this guide we will be using the MCASelector software. Please download the latest version of MCASelector here.

How To Delete Specific Chunks in Your World?

1. Download the world you wish to delete chunks from and make sure all the world data is inside a folder like this:

2. Install and open MCASelector and navigate to File → Open World. Find the world’s folder and click on Select Folder.

3. Now you can select the dimension you would like to edit.
   <world_name>: Overworld
   DIM-1: The Nether
   DIM1: End

4. You can edit the world with the following buttons:
   Press Scroll Wheel / Middle-Mouse-Button: Move Around
   Left-Click: Select Chunks/Area
   Right-Click: De-Select Chunks/Area
   
   After selection, open the Navigation tab and from there you can run specific actions such as deleting the chunks (CTRL + D), export selected chunks (CTRL + Shift + E), and more.
5. Once you have edited the world to your liking, you can simply close the program and upload the same files back onto the server.