This tool massively automatically sets and updates the height and width attributes of IMG tags of HTML documents based on the original height and width of the source image. It is a good practice to set the height and width of img tags to allow the browser to display the webpage more smoothly while the webpage is being loaded. With this tool you do not need to find and set the height and width of each image manually but it will do it for you automatically.
Simply specify the directory where the files of your website are. Afterwards, specify the files pattern i.e. which file extensions do your webpages have. Also , specify whether existing height and width attributes will be updated or not.
Press the "Get" button and a list of all IMG tags found will be presented. You can remove an IMG tag from the list by pressing the "Remove" button and then this tag will be not get updated later. Finally, press the "Update" button and the webpages will be automatically updated with the height and width of their images.

Can also be executed from the command line.