DownThemAll (or just dTa) is a powerful yet easy-to-use Mozilla Firefox extension that adds new advanced download capabilities to your browser.DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your downloads by fully customizable criteria to get only what you really want.
DownThemAll 2 offers even greater control over your Firefox downloads than its predecessor. Speed limits can be specified on a per-server or download basis, and you can set a global limit as well. There’s also a media-sniffing feature which allows for easy downloading of embedded video clips on the sites you browse — even HTML5
