Yesterday, I am use free YouTube video downloader – CooTub to doanload YouTube videos, and I found some videos is FLV format, some is MP4 format, and some is F4V format. We know, if the video download form YouTube is MP4 format, we can play it on Kindle Fire easy, if the video download from YouTube is FLV format, we must use iSoftcoupon Video Converter for Kindle Fire to convert FLV to MP4, the F4V video is not support Kindle Fire, if we watch to watch YouTube F4V video on Kindle Fire, we must use iSoftcoupon Video Converter to convert F4V to MP4 for Kindle Fire. Here is the guide: how to convert F4V to Kindle Fire for playback via iSoftcoupon Video Converter.
Step 1: Run and Add YouTube F4V video to the iSoftcoupon Video Converter.
Step 2: Choose the best video format for Kindle Fire, you can Click “Profile” to choose “Android MP4 Video(*.MP4)” then Click “Settings” to change resolution as 1024*600. Aften this you can click “OK” to retune main interface.
Step 3: Convert F4V to MP4 for Kindle Fire
Click “Convert” button toconvert YouTube F4V video to MP4 format, and stream MP4 videos to Kindle Fire via USB.






