Link Alert is a Google Chrome and Chromium extension that will display an icon next to the cursor indicating the target of a link. This extension will also highlight URLs with a little tooltip indicating wherein is likely to take you. Links that aren’t secure will show an icon as well as a description of the URL and the location it is in. This helps you identify dangerous links and web pages before you click on them. You can even change the display of the URL and its description to match the look and feel of your own website.

In addition, the extension will display a small PDF icon in the tooltip, external links will show an icon and you can even see which URLs aren’t secure from secure pages.

The extension can be installed in Google Chrome or Chromium versions that are compatible with Chrome or Chromium.