ImgToText.net - This image to text converter works online to extract text from images and scanned documents without sign-up process.
ImageOptim - Faster web pages and apps.
Online Image Converter - Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily.
JPEGmini - JPEGmini - The Photo Optimization Tool Trusted by Tens of Thousands Image Perfectionists
iLovePDF - Free online PDF tool set
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.