[mva]

What would be the difference from tools like http://tinypng.org and http://www.jpegmini.com/main/shrink_photo ?

[wijnglas]

Exactly what I was thinking. JPEGmini works better in my tests.

[kraken-io]

We handle all the major web image formats, with a single API. That would be the major difference. We also offer more features like image resizing, WebP compression and SVG optimization. Again, with a single API.