Image Manipulation

You will need imagemagick:

sudo apt install imagemagick

Convert Photos to PDF

convert *.jpg -auto-orient -quality 50 -units PixelsPerInch -density 72x72 \
    tt.pdf

EXIF View/Delete

To view image details, EXIF including:

identify -verbose ../hardware/audio-zoom-p4.jpg

To strip EXIF:

convert in.jpg -auto-orient -strip out.jpg

Alternatively on can use exiftool.