Xilisoft Video Converter Ultimate for offers the best way to convert WMV ASF AVI MPEG 3GP RM MP4 etc. videos and WMA MP3 OGG AAC AU AC3 MP2 audios to each other with High-Definition video supported. Besides the video converter for Mac provides other useful features as below:1. Merge several videos into a whole - You can merge several scattered video segments first to output for an uninterrupted movie show.2. Clip video to output segments - You can clip the video to pick up video segments you favor or remove unwanted parts. Also you can choose to output clipped segments respectively or output as a merged one.3. Split long video averagely by setting split size or time length.4. Crop video image size to get rid of the black border commercial mark or something else you dislike.5. Adjust video use artistic effect - Adjust video brightness saturation and contrast and add artistic effect like old film canvas or negative to suite your favor.6. Sign the video with watermark - Add text or picture watermark to sign the video with Xilisoft Video Converter for Mac.7. Compare original and fixed videos - To check the video effects you applied you can view the original and fixed video next to each other for comparison.8. Multiple formats on one source - Add more than one output formats on one source file to get target files in different formats from the same file.9. More and optimized formats - Provide more output formats for your choice and classify them by device type. You can find the right format for you in a glance.10. Bitrate Calculator customizes file size - You can specify the output file size you want in the Bitrate Calculator.11. Expert settings available - The default settings bring you swift conversion. And you can further change video and audio parameter settings to fulfill your special need.Xilisoft Corporation focuses on the users experience all along offering the most easy-to-use software and consummate service.