Alt Text Display
Add a context menu to images to show their URL and alt text
What is Alt Text Display?
Alt Text Display is a Firefox add-on that allows you to conveniently view image URLs and alt text. It provides a context menu for images, making it easy to test if images have alternative text.
A simple way to test if images have alternative text
Alt Text Display is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Alt Text Display if you trust the publisher.
Alt Text Display has earned a fairly good reputation and likely can be trusted.