4Media ASF Converter is such a powerful ASF to video converter that helps you convert ASF and WMV video to popular video formats such as AVI, MOV, MP4, MPEG-1/2, MPEG-4 AVC, and WMV. And it also supports 3GP, AVI, MKV, MPEG, MP4, MOV, RM videos as the source videos. Apart from ASF/WMV video conversion, it can convert video to MP3 or M4A audio. New features: 1.Introduce NVIDIA CUDA & ATI Stream technology to level up the converting speed to a large degree 2.Makes the built-in player resizable (Switch the zoom mode between 4:3 and 16:9) 3.Offers the function of power management 1.Seamlessly convert ASF, WMV 3GP, AVI, MKV, MPEG, MP4, MOV, RM videos to AVI, MOV, MP4, MPEG-1/2, MPEG-4 AVC, and WMV videos. 2.Extract audio from ASF format or other video formats and convert them to MP3 and M4A audio, like converting ASF to MP3. 3.Convert more than one file at a time, choose to convert in batch mode. 4.With the support for computers running on dual-core or multi-core CPU, the ASF video converter provides the maximum conversion speed. 5.Split a video file into several video clips in smaller size by setting the split time or file length. 6.Select the video segment you want to convert from the original video by setting up the start time and duration. 7.To output several video files of the same content, you can add multiple profiles for one original video file and convert them at the same time. 8.Provides you with parameters you can customize: resolution, bit rate, frame rate, frame rate, codec, or video quality. 9.With the built-in Bitrate Calculator, you can easily change the output file size you want. 10.Ability to preview the source and the output video.