BrowserTraySwitch

BrowserTraySwitch is a super tiny little system tray utility (only 90k) to help you quickly change your default browser.

Just right-click to change your default browser - after that all launched files and urls will open in the selected browser.

Want to just launch a specific browser once? Use the left click. The icon of the tool shows the currently selected default browser. Double-click to launch the current default browser.