Google Keyword Highlighter is a simple Chrome extension developed by Old Pike Software. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools.

The primary function of this extension is to add a highlight color to all the matched words that Google finds in search results. Normally, these matched words are displayed in a discreet boldface, but with Google Keyword Highlighter, users can choose a highlight color of their preference from the extension's Options Page.

This extension is ideal for users who want to easily identify and distinguish the matched words in search results. By highlighting these words, users can quickly locate the relevant information they are looking for without having to read through the entire search excerpt. Google Keyword Highlighter is a free extension, making it accessible to all Chrome users.