Alt Attribute Viewer is a free Chrome add-on developed by webgoto. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This handy tool allows users to view the alt attributes of images (img tags) while browsing websites.

The add-on displays the alt attribute text of each image on a web page. If an alt attribute is not present for an image, it will be shown as [None]. In case the alt attribute is empty, it will be displayed as [Empty]. This tool can be useful for web developers during website development to ensure that alt attributes are properly set for accessibility purposes.

Alt Attribute Viewer is a simple and straightforward add-on that provides a convenient way to check alt attributes while browsing the web. It can help developers ensure that all images on their websites have appropriate alternative text for visually impaired users.