You can set WordPress to automatically rename images and other media files on upload in order to better your SEO. Images can be automatically renamed on the basis of post title, site URL and more.
Simple Documentation, a free WordPress plugin makes things really easy for your website users by allowing to display a list of reference material to access in admin area. In simple words, this plugin helps webmasters/developers to provide documentation through the WordPress dashboard because you are on a stage where dashboard widgets are nothing and you don’t even look at them but there are many other users, specially the beginners, dashboard widgets are the first thing where they start looking up for the solutions or you can say answers.
You can easily convert different files online free of cost using Free Online File Converter. It allows you to convert media files online from one format to another.