23 Jan 2019 ... ImageMagick isn't included in the default installations of Ubuntu and many other Linux ... convert howtogeek.png -quality 95 howtogeek.jpg.
http://xahlee.info/img/metadata_in_image_files.html http://www.iasptk.com/ubuntu-16-04-create-animated-gif/ http://onedev.net/post/240 https://www.binarytides.com/take-webpage-screenshot-from-command-line-in-ubuntu-linux/ https://tecadmin.net/install-imagemagick-on-linux/
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https://codeyarns.com/2014/11/15/how-to-crop-image-using-imagemagick/ http://www.upubuntu.com/2011/04/edit-images-on-ubuntu-via-command-line.html https://help.gnome.org/users/eog/stable/ http://www.stuartdines.com/blog/resize-all-images-in-a-directory-in-ubuntu-terminal/ https://www.smashingmagazine.com/2018/07/converting-images-to-webp/ https://www.brianlinkletter.com/process-images-for-your-blog-with-imagemagick/ http://hamelot.io/visualization/using-ffmpeg-to-convert-a-set-of-images-into-a-video/
https://crazytechgo.com/tips-tricks/how-to-convert-png-to-jpg-on-ubuntu/ https://www.netdip.com/how-to-convert-a-pdf-file-to-a-png-image-with-ubuntu https://www.ostechnix.com/save-linux-command-output-image-file/ http://www.ubuntubuzz.com/2016/01/how-to-convert-pdf-to-bitmap-image-with-pdftoppm.html https://www.networkworld.com/article/3290086/converting-and-manipulating-image-files-on-the-linux-command-line.html
https://linuxhint.com/ffmpeg_images_to_video_tutorial/
