Need an FLV to MP4 Converter?

Download the FLV-to-MP4 converter for Windows or Mac and run the installation file. Follow the instructions on the screen to install the program.

To add video files for conversion, click the Add Media button in the upper left corner of the interface, then choose Add Video, and select the files you want to convert from FLV to MP4.

Click the Video tab. Choose the MP4 preset group, then the appropriate preset. If you want to transform FLV into MP4 for compatibility with your mobile device, click the Devices tab and then locate your device model.

You can reduce the size of particularly large files by using the converter. Click the file size value in the description section. In the box that opens, select the desired quality, bitrate, and size values. Click the Convert sample button to convert a small fragment of your file and check out the quality.

Before you convert your Flash^® videos to MP4, you can make changes in the files you’ve added via the built-in editing tool. To access it, click the Edit button in the file description.

Choose Audio to reduce background noise or otherwise alter the sound volume in the files. Open the tab Adjustments to change the parameters of brightness, saturation, contrast, and others. Choose from a library of creative filters in the Effects tab and apply them to your clips. In the tabs Subtitles and Watermark, you can insert upload subtitles or add a watermark, respectively. Choose either Trim or Crop to get rid of unwanted details, cut away the edges of your videos, or rotate the footage.

Converted files are saved to the “Movavi Library” folder by default. To change the output folder, click Save to. To convert your FLV file to MP4, hit the Convert button.

The folder with converted files will automatically open as soon as the conversion is finished. Now you can transfer the converted files to your mobile device. Turn on the device and attach it to your computer. Launch the uploading software on your device and follow the instructions or, depending on the device, transfer files to the target folder.

Great! Now you know how to change an FLV file to MP4. To sum it up, when you have a small file, it’s easier to convert FLV to MP4 online. If you have large files and want to do some editing, you’ll need a desktop file converter from FLV to MP4.