Shrink O'Matic - Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images.
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.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
Photo505 - Photo505 is an online Photo Editing Tool.
ImageOptim - Faster web pages and apps.
LoonaPix - LoonaPix.com is a way to make funny photo online.