The tool extracts element details for highlighted component of webpage DOM.
The "DOM to JSON Selector" is a modified version of the "DOM to JSON Converter" Extension. The selector allows users to choose a specific element. Just click on the extension icon and hover over the webpage. As you hover over an element, it would highlighted. Click on the element you would like to get the DOM-JSON of.
The extension would then extract the node name, depth, id, src, href, alt and text content of the selected element and it's children.