Xilisoft ASF Converter lets you convert ASF videos to play on any multimedia device. Convert MKV, WMV, MP4, MOV, MPEG, 3GP, MPEG4/H.264 and AVI to ASF and vice versa, as well as extract M4A/MP3 audio files from ASF videos. The ASF video converter also enables you to create slide show videos from pictures. Key features: 1. Source formats supported: AVI, DV, DIF, MKV, MPG, MPEG, MPA, DAT, VOB, MP4, 3GP, 3G2, MOV, QT, RM, RMVB, DAT, WMV, ASF. 2. Target formats supported: M4A, MP3, ASF, AVI, MOV, MP4, MPEG1, MPEG2, MPEG4/H.264, WMV. 3. Create picture (JPG, PNG, BMP, GIF) slide show videos with this ASF video converter and turn them into ASF, DivX, or any other video file type. 4. Xilisoft ASF Converter supports multi-core CPUs, so the more cores you have, the faster your conversions will be. 5. Get multiple output formats from a single source. 6. Split a large video files into several segments with self-defined split time/size. 7. Customize the output video file size with the built-in Bitrate Calculator in Xilisoft ASF Converter. 8. Set start time and duration of segments desired, and then convert the segment into any supported video file. 9. Adjust output parameters include video codec, video size, bit rate, frame rate, audio codec, channels, etc. 10. Convert multiple files at once with batch processing and multithreading using the smart ASF video converter. 11. Run the ASF converter in the background to conserve CPU resources for other applications; set automatic after done actions to quit, shut down, hibernate or standby. 12. Take snapshot in preview mode; auto check for software updates; provide several interface languages: English, Japanese, German, French, and Chinese.