F4V MP4 Converter
If you want to watch the F4V videos downloaded from Internet on your portable players, this F4V to MP4 Converter will be your best choice, it can not only convert general FLV videos, but also convert F4V to MP4 videos for iPod, iPhone, PSP, etc.
Videos downloaded from YouTube and other websites usually have .flv extension, but they are not always FLV videos, some of them are H.264 encoded F4V videos, so some devices and video converters don't recognized these videos. While F4V to MP4 Converter features converting F4V videos, as well as FLV videos, to MP4 videos compatible with iPod, iPhone, PSP, etc.
With this powerful F4V to MP4 Converter, you can also edit Flash videos as you want.
How to convert F4V to MP4
Free download F4V to MP4 Converter, set up and launch this software.

Click Add button to input F4V videos, then follow the steps below.
Step 1. Set the output path and format in Export panel. You can choose MPEG-4, AVC, iPod MPEG-4 or PSP MPEG-4 as you need. Choose Settings label to adjust encoding settings.

Step 2. Select Edit tab and edit F4V videos by trimming, cropping, adjusting effect, adding text or image watermark.
Step 3. In Convert tab, click Start button to convert videos.
If you want to watch the online videos with you portable player, this F4V to MP4 Converter can help you a lot. It enables you to convert FLV and F4V videos to MP4 videos playable on various portable devices, like iPod, iPhone, PSP, Zune, etc.