Resize image DPI

The goal is to resize images in a folder based on a desired DPI.

How it works

Keep "main_pydpi.py" and "interface.py" together
Run "main_pydpi.py"
Select images, export folder, export format
Run the conversion

Information to inquire

Desired DPI : 300 for printed documents
Document width : image width after resizing
Extension : format of the resized image
multi-processing : use of one or multiple threads