TinyPNG

TinyPNG is a free web-based compression tool for images. With TinyPNG you can compress images (.png, .gif and .jpg) and reduce the file size between 50-80%, without loosing any visual quality and perseving full transperancy. Perfect for people looking to host or share images online via their website. Image file size stands for about 50% of the loading time of a general website, so by decreasing the size of images will have a great impact on performance. TinyPNG also provides various plugins for platforms like Adobe Photoshop and Wordpress.