If you're looking for an easy to use photo editor with lots of editing options and effects, look no further than Fotor.

AKVIS Sketch converts photos into pencil sketches and even creates watercolor paintings. Now you do not need to handle a pencil to feel like an artist. All you need to create your original work of art is good taste and AKVIS Sketch!

Dramatically compress JPG, PNG, and PSD files while preserving quality.
Compress allows you to dramatically compress the size of most PNG and JPG images on your Mac while preserving quality, as well as convert PSDs into JPEGs in seconds!