ImageOptim - Faster web pages and apps.
Online Image Converter - Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily.
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
ImgToText.net - This image to text converter works online to extract text from images and scanned documents without sign-up process.
JPEGmini - JPEGmini - The Photo Optimization Tool Trusted by Tens of Thousands Image Perfectionists
iLovePDF - Free online PDF tool set