WP Seo Image Optimizer
SEO Image Optimizer is a SIMPLE and MUST have plugin to Gain more traffic and sales From Search Engine like GOOGLE, YAHOO, BING Image Search! It dramatically increase Traffic of your WordPress Website, Blog and Woocommerce Store.
Using the SEO optimized Images plugin you can automatically add optimized alt and title tags to your images in less than 30 seconds. All you need to do is activate the plugin and it will automatically add effective alt tags to all the images.