
One doesn’t even know that Flash content should have been there. No Flash content is loaded, and no messages about it are shown. If you try to open a Flash website in Firefox, this web browser doesn’t tell you anything about the fact that Flash has been discontinued. What happens if you visit a Flash website in Firefox? NOTE: This “Firefox enable Flash” tutorial covers Mozilla Firefox version 85 or newer. Select the Ruffle Firefox extension and click Open.Select Firefox, and click “Load Temporary Add-on…”.


Open Firefox, type “about:debugging” in its address bar, and press Enter on your keyboard.Go to and download the extension for Firefox.
