TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
Diff Checker - Diff Checker is a free online diff tool that quickly and easily gives you the text differences...
TinyJPG - Compress JPEG images with perfect quality and file size
PlutoPDF - A URL to PDF converter wrapped behind a simple API.
Imagify.co - Resize, Crop and Manipulate your images on the fly!
PNG Express - Automated asset exporting and specs from PSDs