Step 1: Free download FLV to mp4 Converter and install it.
Step 2: Open this FLV to mp4 converter suite Pro:
Step 3: Click 
button to input FLV file(s), batch FLV to mp4 supported, you can at the same time add as many as possible, but here I suggest add 1-10 FLV video files one time for better stable running performance.
Step 4: under Profile selection: click download arrow, Choose: mp41-Custom mp4-1 Format (*mpg) or mp42-Custom mp4-2 Format (*mpg) , Here we choose mp42-Custom mp4-2 Format (*mpg)
.
Click "Change" button under output Folder to select the destination you want the converted mp4 to store. (the default folder is stored under file: c:\outputFolder\)
Step 5: Click 
to start convert FLV to mp4.
After successful converting FLV to mp4, the converted mp4 files shall be stored on the folder you have previously selected.
With this powerful FLV to mp4 converter, not only can convert FLV to mp4 . you can also convert FLV to almost all other popular video formats. but all the process is almost the same, if u understand how to convert FLV to mp4, then convert FLV videos to other formats, become easy. Just Free download and enjoy it.
FLV to mp4 Converter is an ideal FLV to mp4 conversion tool in converting Flash Video (FLV) into mp4 formats. So if you happenly want to convert FLV to mp4, this flv converter to mp4 is the right choice.its drastic speed and the ease in use of its interface make this flv mp4 converter remarkbable.
With simple interface, excellent conversion with speed and accuracy makes the FLV to mp4 Converter stand out of the crowd. Apart From convert FLV to Files to mp4, this FLV to mp4 converter can also convert FLV to many other video formats as you wish: Such as convert FLV to WMV, AVI, Divx, Xvid, MOV... If u want to convert FLV videos, this this the best Choice.