Ultra Video Converter, a powerful AVI to ASF Converter, is developed to convert AVI to all popular video formats such as FLV, MKV, MOD, WMV, ASF, MPEG1, MPEG2, MP4, 3GP, 3G2, MOV, AVI and audio formats such as WAV, OGG, 3GP, Mp3 and M4A. The Converter provides more practical functions. For example, you can split large videos into small segments, adjust the video's settings.

Free download Ultra Video Converter and open it. The interface looks professional:

1. Click  button to load avi video files you want to convert. All video files you loaded will be listed in Source Video Files list.

2. Choose Output Format. See the picture below, click the down-arrow to open the format menu and choose the last one-More Output Formats, to open the format settings. Here you can add more supported formats. Here we add ASF format.

3. Select Output Folder by clicking "Change" button. "Open" button is to directly go to the destination folder.

4. Click  button to start the conversion. A gray bar will activated to show you the conversion progress:

So easy, yeah! With the AVI to ASF Converter, you can convert avi to any formats you want and also customize freely. Have a try.