How to Convert FLV to MP4 with VLC and Its Alternative?

July 22, 2021
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  • 1. Import FLV files into the converter;
  • 2. Choose output format as MP4 from the format library;
  • 3. Start FLV to MP4 conversion;
Quick Navigation
1. Convert FLV to MP4 using VLC
2. Fixes to VLC Convert FLV to MP4 No Audio Issue
3. Convert FLV to MP4 with VLC Alternative

Author’s Words:

VLC is known for serving various multimedia purposes, including media player, video editor, network streamer, DVD player, and, of course, video converter. Due to its wide accessibility and cost-free nature, VLC is many people’s top choice when it comes to FLV to MP4 conversion. If you are also planning to convert FLV to MP4 with VLC, this guide can help you. Besides, we also solve potential errors during the conversion and give a free plan B if you need one. Without further ado, let us begin!

How to Convert FLV to MP4 using VLC?

Note: If you haven’t got VLC installed on your PC, get the latest correct version of VLC from the official website

Step 1. Open VLC. From the top menu bar, select “Media” > “Convert / Save …” (or press “Ctrl + R”) to bring up the “Open Media” window.

Step 2. In the new window, click “+ Add …” to load the needed FLV file(s). Then click the bottom “Convert / Save” button.

Step 3. In the next window, select “Video – H.264 + MP3 (MP4)” from the Profile drop-down options.

Step 4. Click “Browse” to rename the file and set an output destination. Make sure to change the file extension to “.mp4.”

Tips: If you have selected multiple FLV files, you can’t customize a specific output path. VLC will automatically generate the converted files to the same folder where the source files are located. You can tick off “Append ‘-converted’ to filename” to view the output files more clearly.

Step 5. Finally, click “Start” to begin the FLV to MP4 conversion.

Fixes to VLC Convert FLV to MP4 No Audio Issue

I need help trying to convert an .flv file into an .MP4 file... But every time I try, I get the video portion but not the audio. But the original .flv file has audio in it and will play the sound when I pull up the file in VLC. Any help at all?” – From a Reddit user.

Many people have reported that their converted MP4 files having no sound. This is a quite common issue with VLC converted files and can be caused by broken VLC builds, wrong operation steps, and something within the source video file. Unfortunately, we haven’t found a universal solution to this problem. However, you can try the following fixes that have been proved to be working by some users.

  • Fix 1. Update VLC to the latest version.
  • Fix 2. When selecting Profile, click the wrench icon to open the “Profile edition” window. Go to “Audio codec” and tick off “Keep original audio track” and click “Save.” Then, complete the rest steps to start conversion.
  • Fix 3. Also under the “Audio codec” tab, change the Codec to “MPEG 4 Audio (AAC)” and the Sample Rate to “48000 Hz.” Then click “Save.” Finish the rest steps to see if it works.

If the above solutions didn’t work for your case, you can try a different video converter instead. We provide a free VLC converter alternative along with a simple tutorial on how to use it in the next part.

Free Plan B: Convert FLV to MP4 with VLC Alternative

Free HD Video Converter Factory is a professional video/audio converter that can take care of various conversion jobs, including FLV to MP4, effortlessly. Moreover, it can be used to make basic edits to videos, compress video files, and even download online videos efficiently. The below tutorial shows you how to convert FLV to MP4 with this free FLV to MP4 converter in detail.

Before start, please Free Download Free Download the software and install it on your PC.

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Step 1. Import FLV File(s)

Launch Free HD Video Converter Factory and open the “Converter.” Click “+ Add Files” to import the FLV video(s) into the converter. You can also drag and drop the files into the program directly.

Step 2. Choose Output Format

Click the right-side format image to open the format library. Select “MP4” as the output format.

Step 3. Start Conversion

Click the bottom triangle button to choose an output folder. When everything is ready, click “Run” to start the conversion.


Besides using VLC and its alternative to convert FLV to MP4, you can also try online video converters. However, we do not suggest you use them for potential privacy risks. Anyway, that’s all for how to convert FLV to MP4 with VLC and the related information. If you have any questions during the conversion, please feel free to contact me via Twitter. I’ll be glad to help. Thanks for reading!

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