To hold a faster loading website is one of the major tasks of all WordPress blogger. If you have a premium theme and a quality hosting sometime your website gets slow. It would because of uploading HD big size images that would cause to load your site very slow. Use one of your favorite WordPress plugins to reduce image size within WordPress.
This WordPress plugin will help to reduce the size of image files that you want to upload on your WordPress website. The plugin use Smush.it API in WordPress to reduce the image size.
See More: Tips to Reduce the WordPress Server Load
PB Responsive Images
PB Responsive Images help you to support for the planned responsive image according to your website layout and post format, it is also helpful for theme authors.
EWWW Image Optimizer
EWWW Image Optimizer is another best source to reduce the image size within WordPress. This plugin use NextGEN and GRAND FlAGallery to use reduced size images. EWWW also use pngout, gifsicle, jpegtran and opting.
Hammy plugin for reduce image size will help your WordPress website to load faster. It allow you to resized images as per your content need and website layout.