If you want to know how to make Fraps files smaller and are seeking for a safe and convenient video compressor to help to downscale Fraps' output video, WonderFox HD Video Converter Factory Pro must be your first choice as a highly efficient Fraps video compressor. With its built-in compressor, you will be able to compress the video to any size you want with no quality loss and simple clicks. There are 3 ways to achieve this goal. The first way is to change the video format, for example, converting AVI to MP4 for MP4 has a higher compression ratio than AVI's.By the way, HD Video Converter Factory Pro supports more than 300 formats and codecs for conversion needs. The second way is to adjust the video parameters such as decreasingbit rate, resolution or changing frame rate which will affect the size to a great extent. The last way is to trim the video - cropping the output screen size or clipping it to change the length of the total playback.