Save the icon in .ico or .png format. Be sure to save your icon in one of these formats to ensure compatibility with most browsers, including Google Chrome and Firefox. Upload the icon to your server.

If the bookmarks toolbar doesn't automatically appear, click the wrench icon, select "Bookmarks" and choose the option to always show the bookmarks bar. Load the PrintWhatYouWant bookmarklet page ...

To add more websites to the mix, each with their own menu bar icons, right-click the MenubarX icon and click New Tab. Note, though, that if you’re using a menu bar management utility like Ice or ...