Zamzar - Free conversion online of many type of documents (images, text, video, audio...
4K Download Online - Download music from YouTube to Android, SoundCloud to Android, Facebook to Android, Vimeo to Android, from browser to device or to desktop directly.
Online Convert - Convert files like images, video, documents, audio and more to other formats with this free and fast online converter.
GetGo Download Manager - GetGo Download Manager is the best free internet download manager designed for the new generation of web sites (web 2.0)
Convertio - File Conversion in the Cloud
Video Downloader Professional - Video Downloader Professional (VDP) is an pretty smart and fast tool to catch videos from YouTube.