FLV has been the main format for the online video, such as YouTube, Myspace, Google video and Yahoo video. We can either enjoy them online or download to the computer for later enjoy. But how to enjoy them on the portable players—iPod, iPhone, Mobile Phone, PSP, Creative Zen, Zune, BlackBerry, Pocket PC, etc for us to enjoy anytime and anywhere. I found the

It can both convert FLV file to other video formats and convert DVD, video to FLV format for you to upload.
It actually includes three parts:
Part 1: How to convert FLV file for your players
Step 0: Click “FLV Video Converter” button to use
Step 1: Add files
Click “Add File” to add your video files.
Step 2: Set output video format
Click “Profile” button from the drop-down list to select the output video format avi, mp4, wmv, mp3, 3gp exactly for your player.
You can click the “Settings” button to set parameters of your output video such as Frame Rate, Bitrate to get the best video quality as you want.
Step 3: Click the “Start” button to start the conversion.
Tips:
1: How to join your video
If you want to merge several videos into one file you can choose them and click the “Merge into one file” to do it.
2: How to split your video
The “Trim” function also servers as a video splitter. You can set the “Start Time” and “End Time” to set the time of the clip or you can directly drag the slide bar to the accurate position.
3: How to crop your video size
By using the “Crop” function you can crop the black edge of your video and you can also drag the line around the video image to adjust your video to your mobile devices.
4: How to save your favorite picture
If you like the current image of the video you can use the “Snapshot” option. Just click the “Snapshot” button the image will be saved and you can click the “Open” button next to “Snapshot” button to open your picture.
Part 2: How to rip DVD to FLV format
Step 0: Click “DVD to FLV Converter” button to use

Step 1: Import DVD
Place the DVD into your DVD drive and click the “Load DVD” button to load DVD.
Step 2: Video settings
Select the output video format you need from the “Profile” drop-down list. Click “Settings” button to set your video and audio parameters.
Step 3: Start Conversion
Click “Start” button to start your conversion and it will be finished in a short while.
Note: It also has some strong editing function: trim, crop and effect DVD, merge your selected chapters into one file, capture your favorite pictures.
Part 3: How to convert video to FLV format
Step 0: Click “Video to Flash Converter” to use

The steps and tips are the same as FLV Video Converter.
Using the only one tool, you can deal with all the issues about FLV file.