Follow we will show you step by step how to convert FLV files to MP4 with the FLV to MP4 converter.
Preparation: Free download the FLV to MP4 conversion software and install it and run.
Step 1: Click
button to add FLV files; you can also drag and drop your FLV files to the main interface of the program to import files.
Step 2: Click the Effect, Trim and Crop buttons on the tool bar to edit you videos to meet your requirements.

Note: If you want merge files, just highlight the files you want to merge and click
button at the bottom of the file list panel.
Step 3: Choose the output format and set the output folder in the Profile and Destination Area at the bottom of the main interface.

Step 4: Click "Convert" button to start to convert FLV to MP4 and the processing is showing in the following screen popped out.

OK, you can convert FLV to MP4 files by yourself now. So easy! but the output files quality is wonderful enough. Free download and try now.
free trial version