Have you ever heard of
Total Video Converter ? You can first look at its interface below.

You must have seen it, if not, you are out. It is the best video converter which can help you convert any video to all popular video formats like MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, MOV, RM, RMVB, M4A, AAC, WAV, etc. Somebody will ask that if it can convert audio files. Yes, it is absolutely a piece of cake to extract audios from video files and convert them to M4A, MP3, AC3, AAC, WMA, and OGG.
Its edit functions come out with surprise, for they allow you to save a part of the video and get rid of the extra one, adjust video screen size, merge various videos into one file, and customize the video effect by changing the parameters of “Brightness”, “Contrast”, “Saturation”, “Hue” and “Volume.” Interestingly, you can also add watermark such as funny test or pictures to perfect the video effect.
There is a picture to show how to edit the video.

From the image above, you can see if you want to trim video, you need click “Trim” button to open the edit window. Drag the two time bar to adjust the time length or change the data of “Start Time” and “End Time”, and you can get your wanted video.
OK, let’s have a look at the other excellent
Best Video Converter for Mac . It is a special Mac Video Converter, with which users can convert between all popular video formats on Mac, for example, you can convert MPG to MP4, or M4V, and meanwhile, you can convert HD video files to what you want.

Also acting as an Audio Extractor, this Mac Video Converter can help you extract audio files and convert them to MP3, MP2, AAC, AC3, WAV, WMA, M4A, RM, RAM, OGG, AU, AIFF, APE, FLAC, NUT and so on.
Besides, its edit functions are the same professional as Total Video Converter. So users can adjust video effect as they wish. You can view the example below.

There are some colorful rag dolls in the left “Original Preview” window. Change the data of the brightness, saturation and contrast and son on, for example, drag the saturation bar to “-100”, you will see the result from the “Output Preview” window. The image goes to gray.
Users can try other functions to see what will happen.
Both the two converters are compatible with many popular players like PSP, iPod Classic, iPod Touch, iPod Nano, iPhone (3G), iPhone, Zune, Apple TV, Xbox, iPad, Mobile Phone, etc. It will provide more convenience for users to play the converted videos.
Anything is not as good as action. Have a try immediately and don’t miss the chance. And if you want to view more video information, you can read this
Video Converter Reviews article.