flv to mp4 Converter

Convert your Audio, Video and other Files from one format to another online for free!

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Popularly known as FLV, Flash Video is a multimedia container format developed by Adobe Systems. Its primary focus was to deliver video over the internet. It can contain audio, video, and text. It was released in 2003.


MP4, officially known as the MPEG-4 Part 14, is a multimedia format for storing digital video and audio. It can also contain still images and text. The International Organization for Standardization developed the format as part of the MPEG-4 compression method. It was released in 2001 and was extended from the QuickTime file format. Its filename extension is .mp4.

Frequently Answered Questions

Is it safe to convert FLV To MP4 files?

Data theft is always a danger when uploading your files on the web. But with a reliable, licensed tool such as Convertr, you have nothing to worry about. Convertr respects your privacy.

The data travels over a super-secure SSL encrypted connection eliminating any possibility of hacker break-ins. Convertr interface is ad-free to avoid the chance of you getting a virus on your device or receiving phishing emails.

User data stays on the site for a short time until the conversion is complete. The files get deleted permanently from the server once converted and downloaded.

Can Windows 10 convert FLV To MP4?

The Windows Media Player doesn't have the features to convert FLV files to MP4 format. Thus, Windows 10 cannot convert FLV files to MP4.

You might think of downloading software or getting a paid subscription to convert your FLV files to MP4. But downloading third-party software is not always safe for your device.

The best option is to use a reliable, free, online conversion tool such as Convertr.

Which is the best FLV To MP4 Converter?

For a safe and efficient conversion, we recommend using an authorized online conversion tool like Convertr.

The intuitive user interface is perfect for everyone. Being multi-tasking, Convertr saves you time when converting a large pile of files. You upload the files and leave the rest to Convertr. With a large upload limit, you don't have to worry about the file size.

The conversion speed is fast, taking seconds to finish conversions.

Why do I need to convert from FLV To MP4?

MP4 gives many advantages over FLV when streaming online. MP4 compresses the video size more while retaining the quality. This makes MP4 video easier to stream and upload on the web. Because of its relatively small size, downloading a video in MP4 is faster than FLV.

Other than the size, MP4 has a video quality comparable to a DVD. And that is impressive! MP4 is the way to go when uploading media on a website or YouTube. You might also want to convert your FLV to MP4 because MP4 allows captions in the video.

Is FLV better than MP4?

There is no way we can say that FLV is better than MP4 when the subject is online streaming and data storage. Here are some reasons why that is:

  1. FLV files are 1.22% larger than MP4 files. Thus, they are heavier to store or upload.
  2. FLV file format isn't compatible with mobile phones as there is no software to run it.
  3. To run FLV files on Mac and Windows, you need additional third-party software. So, you might need to convert the files instead of downloading third-party software from the internet.

How to Convert FLV Files to MP4?

Converting FLV to MP4 multimedia files is something you can easily do at Convertr. Our site counts with a user-friendly interface that everyone can know how to use by practically just looking at it. That way, those with limited computing knowledge can perform file conversions by themselves without any help.

  1. Click on the "Choose files" button and select the files you want to convert, or simply drag and drop them directly on the site.
  2. Select MP4 as the output format.
  3. Click on convert

And that's it. Your file will automatically be uploaded, and we will convert it to MP4 format as quickly as possible. Then, you have to download it in its already converted form.

For example, if you are trying to convert several gigabytes of FLV content to MP4, it is normal to take some time.

Please note that the conversion will take less or more time, depending on the length of the file.