For this, you don’t need to install any add-on in Firefox. You just need to follow these simple steps.
Download Flash files from Websites
- Click Tools - Page Info
- Click the Media Tab on the Page Info Windows
- The media tab has a complete list (with preview) of Images, CSS Files and Shockwave Flash files that were downloaded by the Firefox browser while rendering (loading) the page.
- Scroll down the list and locate the swf file.
- Click the "Save As" button. Select some directory on your hard drive and save the file