Clacks Overhead - GNU Terry Pratchett is a free Chrome extension developed by Peter Bell. This extension is categorized under Browsers and falls under the Add-ons & Tools subcategory. The main purpose of this extension is to show the user when "Clacks-Overhead" appears in HTTP headers.

The extension does not collect any data or send any information anywhere, ensuring user privacy. It is designed to pay tribute to Terry Pratchett, as referenced by the quote "AT LAST, SIR TERRY, WE MUST WALK TOGETHER." The extension's functionality can be experienced by visiting the official website and GitHub page.

The developer acknowledges the limitations of the Chrome Developer Dashboard in terms of feedback notification. Therefore, if users have any feedback or suggestions, they are encouraged to email the developer directly at The developer also welcomes suggestions for improvements to the extension.

It is important to note that the extension requires permissions for reading HTML meta tags and intercepting basic HTTP headers. Users concerned about these permissions can download the extension directly from the GitHub page for complete transparency. However, this means automatic updates will not be available.