download manager for Firefox
DownThemAll! is a powerful yet easy-to-use Mozilla Firefox extension with advanced download capabilities. It lets you download all or some of the links or images contained in a webpage. And it features an advanced accelerator that increases speed up to 400%, it allows you to pause and resume downloads at any time and, last but not least, it's fully integrated into your favorite browser.
PortableApps.com no longer lists extensions in our app directory, but DownThemAll for Firefox is still available
Extension Homepage: https://www.downthemall.net/