Image upload helper is a dead simple plugin that will ensure your images are stored in a sensible way and also their size will be otimum for your site.
Download the installable file from the releases link and install as usual. Go to plugins and enable this plugin.
This is the first folder after your /images folder.
Initial value is uploads and will creat a structure like: /images/uploads/2015/10/21/image.jpg
Deleting this value will make a structure like: /images/2015/10/21/image.jpg
Any image that exceeds this width will be resized to this width. Image ratio is retained. Any image bellow this width will NOT be processed. Default value is 500 (pixels)
This controls the compression of the image. 100 means top quality, no compression. Default value is 75
A word that if prepend in the image filename (followed by an underscore) will prevent any resizing.
Default value is raw and will reflect on images filenames like raw_filename.jpg
Deleting this value will disable this feature.
This plugin needs Joomla! version 3.5.
FTP uploads may not trigger this plugin
GPL
Dimitris Grammatikogiannis (aka dgt41)