Indeed, there are a variety of video converters online and offline for fast video download, yet you may have tried many tools but still have no clues. Since the varied net connection, unstable server and the issues of websites themselves always make it a slow process to download videos online, it’s clear that online video downloaders are not a good option. So you can turn to desktop software. Among kinds of counterparts, WonderFox HD Video Converter Factory Pro outstrips many other video downloaders, and is considered as the fastest video downloader. Its GUI is self-explanatory and the download steps are straight-forward. You can fast download videos, music and movies from over 300 websites in simple steps.