Aiseesoft YouTube Downloader Pro is the professional YouTube video downloader to download online videos from YouTube, Google Video, Yahoo Video, iFilm, MySpace, Dailymotion, and many others. The supported video sites can be up to 150. The supported protocols includes http, rtsp, rtmp, mms, and more threads for downloading task. This YouTube Downloader Pro could also convert the local and downloaded video files to any other video and audio formats automatically.

Key Functions

1. Online video downloader
Using this YouTube Downloader tool, you can download almost all the online videos from almost 150 video sites like YouTube video, Google video, iFilm, MySpace, Dailymotion, etc.

2. Convert the downloaded video or the local file
The download video files can be directly converted to any other video/audio formats. You can also directly add local video files to the video converter to convert videos.

3. Support multi-downloading tasks and multi-threads
This FLV downloader can set maximum downloading tasks and maximum threads for every task.

4. Set the specific output parameters
For you to get the exact file from the video site, this YouTube Downloader provides you with more adjustable specific parameters including Video Resolution, Video Bitrate, Frame Rate, Encoder and Audio Channels, Sample Rate, Encoder, Audio Bitrate.

5. Support more video site and protocol
The supported video sites can be up to 150 and it supports more protocols including http, rtsp, rtmp, mms.

6. Preview the downloaded and converted video file
After you successfully download the online video, you can preview the downloaded file on the preview window.

7. Show you the downloading/converting speed and progress exactly
At the bottom of the interface, the exact statistics of downloading/converting speed and the progress will be showed.

8. Easy to use
Aiseesoft YouTube Downloader has a built-in "monitor", which can detect the video being played automatically.