[AndyB] Convert attachments all 1.1

Converts attached PNG images to JPG images.

PNG images are very wasteful as they are 10 times the size of a JPG image of same size. By default all PNG images larger than 1000 KB will be converted to JPG images.

(Example of Convert attachments all page)
View attachment 52794


(Example of Convert attachments all confirm page)

View attachment 52795

(Example of Options page)

View attachment 52796

Features:
All phrases start with...

Click to expand...

Added check to verify attachment is a valid PNG image.

Click to expand...