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  • Convert video to MP4, AVI, MOV, MKV, MPG, and other 500+ formats
  • Convert audio to desired formats, like MP3, M4A, MAV, M4R, AIFF, etc.
  • Extract audio from video or convert audio to a wide range of video formats
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How to Convert FLV to MP4 in Windows, macOS and Online

Jane Zhou updated on Oct 15, 2021 to Video Converter Tips

There are five reliable ways that can help you convert FLV to MP4 for free. You may follow either method below to make your video playable.

 

A Comparison Between FLV and MP4

FLV is short for Flash Video Format. This video can be played via the Adobe Flash Player, web browser plugins, or one of several third-party programs. But its maker, Adobe, has totally given up on updating Flash for mobile devices. That is to say, smartphone and tablet users must seek out a third-party FLV player or app to play Flash videos on mobile devices. It's time-consuming, and you may find it hard to get suitable FLV players.

MP4 is widely used today. Most digital devices and platforms support MP4 like Facebook, Twitter, Instagram, IGTV, and YouTube. It is the most universal video format around. The MP4 can also store video files, audio files, text, and still images. Additionally, they can retain high video quality while maintaining relatively small file sizes.

Comparison FLV MP4
Supported Media Players Video Streaming Portable Devices
Supported Platforms Windows, Mac, Linux, Android Windows, Mac, Linux, iOS, Android
Interactive Menus No Yes
Chapters No Yes

Compared with looking for FLV players, converting FLV to MP4 is a better choice. To get the conversion done once and forever, I have listed three ways to convert FLV to MP4 on a Windows PC, Mac, and online. Follow the details below to make the conversion easy.

how to convert flv to mp4 

Save FLV as MP4 on Windows 10 Using EaseUS Video Converter

The easiest and quickest way to convert FLV to MP4 is by using a video converter to finish this job. I have tested 10 free video converting software for Windows. Among them, EaseUS Video Converter stands out as the best video converter for Windows 10.

This software performs professionally in media file formats conversion. With its aid, you can easily change your FLV file into MP4, AVI, MOV, WMV, etc., and even convert it into an audio file. In addition, this program supports 30X faster speed to complete the conversion tasks in seconds without compromising quality.

Key features:

  • Neat, easy, and intuitive user interface
  • Support more than 1000 media file formats
  • Export your video in HD, 2K, 4K, and even higher resolution
  • Offer batch conversion feature
  • Equipped with an inbuilt media player

Step 1. Launch EaseUS Video Converter on your PC, and choose the "Video Converter." Click on the "Choose Files" button to import the video you want to convert. It also allows you to drag and drop the video to import it.

import video

Step 2. Click on the "Settings" option to select the target format. You can choose MP4 as the output format and adjust the resolution and bitrate properly.

select mp4

Step 3. Customize the folder to save the MP4 video after conversion. Two buttons are available to converter the file. The "Convert" button can help you convert one video, while the "Convert All" button can process a batch of videos. 

convert video to mp4

Step 4. In the "Finished" tab, you can find the converted MP4 video. If you want to preview it, click on the "Open" button to activate the built-in media player.

save video as mp4

Convert FLV to MP4 on Windows with EaseUS Video Editor

Apart from the above one, there is another versatile media software called EaseUS Video Editor that also can help you change FLV to MP4.

The conversion is very quick, and you can name the video, choose the saving location, and customize the codecs for the converted video files. Besides that, it can convert GIF, AVI to MP4, AVI, WMV, and a lot more to wanted formats.

Moreover, this software allows you to edit your videos before converting. For example, you can apply filters and transitions to your videos to make them more attractive. In a word, if you are looking for a versatile video converter and editor, EaseUS Video Editor is a nice choice!

Main features:

  • This software makes it easy to edit Windows videos.
  • You can create videos from pictures by using this tool.
  • It's easy to extract audio from video with the help of EaseUS.

To convert FLV to MP4 easily, follow the step-by-step guide.

Step 1. Import the source file

Launch EaseUS Video Editor. On the home screen, you can import the source file by either clicking the "Import" option or simply dragging the video to the appropriate area.

import file

Step 2. Add to project

You need to add the imported file to the track by choosing the "Add to Project" option, or you can drag and place the file to the track as you want.

add to project

Step 3. Export the source file

Now you can click "Export" on the main menu on the top.

export

Step 4. Save as MP4

Under the "Video" tab, choose MP4 as the desired video file format.

add to project

On the right pane, you can edit the file name, customize an output folder and settings, and then click "Export".

add to project

Convert FLV to MP4 on Mac with VLC

The VLC media player is a free and open-source portable cross-platform media player software. It supports conversion between specific video file formats and allows customization of codecs. You can convert FLV to MP4 with it easily. It is very simple to use, works at a fast speed and is not only converting but also streaming.

Here are the tutorial steps to make the conversion done using VLC.

Step 1. Download and open VLC Media Player on your Mac. Click "File > Convert/Stream…".

convert to mp4 on mac - 1

Step 2. From the pop-up Convert & Stream window, click "Open media..." to browse and add FLV files from your system.

Step 3. Once the FLV video is added, select MP4 from the "Choose Profile" tab.

convert flv to mp4 on mac - 2

Step 4. Next, click the "Save as" option, choose the file name and destination folder on Mac to save the converted file, and click "Save". Finally, click "Save" from the Convert & Stream window to complete the process.

Convert FLV to MP4 Online

What if you only want to convert FLV to MP4 online. If you don't want to download any software, you can convert FLV to MP4 Online for free. I have searched the internet, there are many online converters meeting your demands.

1. Cloudconvert

Cloudconvert is an online document management platform, designed to convert video, audio, Ebook, Document into other various formats. It is easy to use,  and you can access it straight from your browser. There is no need to download any software, this file converter could get your job done. You can not only select the converting files from your computer but from Google Drive, Dropbox, OneDrive, or by URL.

Pros:

  • Has a wide range of conversion options, such as videos, audios, presentations, etc.
  • Convert many files at the same time

Cons:

  • Internet connection is necessary

Steps of converting FLV to MP4 with Cloudconvert:

Step 1. Select the FLV file that you want to convert.

Step 2. Select MP4 as the goal format that you want to convert into.

Step 3. Click "Convert" to convert your FLV file and download the converted files.

cloud convert flv to mp4

2. Zamzar

Zamzar is online conversion software that can help you make the conversion of FLV to MP4 done. However, it only supports FLV to other formats including, MP4, GIF, MP3, MOV, WMV. If you want to convert WMV or MOV to MP4, never hesitate to turn to EaseUS free video converter for help.

Pros:

  • Convert and download videos totally online

Cons:

  • The conversion max file size is 50MB
  • You can convert more than two files simultaneously

Steps of converting FLV to MP4 with Zamzar:

Step 1. Choose the FLV file that you want to convert.

Step 2. Select MP4 as the format you want to convert your FLV file to.

Step 3. Click "Convert" to convert your FLV file.

convert flv to mp4 online

Conclusion

All these tools are file converter, you can choose the one that fits you best. The online tool could be the easiest one but for those who are out of the Internet connection, offline conversion software is indispensable. EaseUS Video Converter for Windows offers an excellent experience and the quickest way to convert FLV into mp4. Download and try it now.

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