PhotoFunia - PhotoFunia is a leading free photo editing site packed with a huge library of picture editor effects & photo filters. Edit pictures with online pic editor.
Shrink O'Matic - Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images.
Canva Online Photo Editor - Canva is a robust platform that comes with an online photo editor to edit all your images.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
LoonaPix - LoonaPix.com is a way to make funny photo online.
ImageOptim - Faster web pages and apps.