IW Image Quality extension module allows easy image quality optimisation of all your product images (JPEG and PNG formats) in your Magento stores.
Easy image quality optimisation of catalog product images in your store
Maximise the image quality of all your product images to get better looking product images in your store by using the Image Quality extension. Alternatively, you may opt to decrease the image quality of all your product images to obtain smaller image file sizes for faster download speed.
Separate global image quality settings for JPEG and PNG image file formats
Adjust the global image quality of your catalog product images based on specific image file format (JPEG or PNG). GIF image quality is not affected.
Compatible with Magento Version: 1.4.* – 1.7.*