MP4 has without a doubt been the universal format in society. This file format has been the most commonly used by people, especially when it comes to storing their audio and video files on their phones because of the fact that MP4 still contains good quality files even within compression. On the other hand, FLV works best with web streamed videos. This format mostly works with web browsers and not on mobile browsers. This being said, for your FLV file to play on your mobile phone, you must convert FLV to MP4. This article will give you insights into the best converter tools and a better understanding of how they will work for your device.

Part 1. What are FLV and MP4

A Flash Video or FLV is a file container developed by Adobe Systems. With this said, the FLV file extension uses Adobe Flash Player to transfer a video or audio file over the internet. This file, as mentioned above, is not supported by smartphones not unless you have an FLV video player downloaded on your phone. Otherwise, you will be needing a converter of FLV to MP4 file or other formats for you to playback this said file to fit on your phone.

An MP4 file or at times called MPEG-4 is a file format that is developed by the Moving Picture Experts Group. MP4 is also a compressed file container of video, audio, and other data like subtitles and still images while retaining the file’s good quality. Like FLV, this file container is also authorized for video streaming on the internet. Moreover, this file is considered a universal format since it is supported by most media player devices.

Part 2. How to Convert FLV to MP4 on Windows and Mac

With the information overhead, this part will introduce you to the most ideal tools that will help you with your conversion duties. To begin with is this amazing AVAide Video Converter. This tool is available for Windows and Mac-operated devices, it has an acceleration technology that helps you convert 30x faster. Additionally, AVAide supports 300+ formats to choose from. Convert your files without losing any bit of its quality, in fact, you can perfect your video with its amazing features such as a video enhancer, 3D maker, Video compressor, and a lot more. Moreover, you can convert your file without limitations, anytime, anywhere. So without further adieu, please see the below steps, and let’s experience this best FLV to MP4 converter.

Step 1Download and Install

Visit AVAide’s official website and download the tool on your PC. Otherwise, click the download button below to acquire it easily.

Step 2Upload Files

Upload your FLV files by dragging them into the interface. Drag as many files as you want to convert at once. As an alternative, you can just click Add Files that are located at the left upper part of the interface.

FLV MP4 Upload File

Step 3Configure the Setting

Set the files to MP4 as our intended format. Click Convert All to on the upper right of the interface and select MP4 to convert all the files in a unified format. Otherwise, click the arrow image on each tail of the file and set each to your preferred format.

FLV MP4 Set File

Step 4Start the Conversion

You may start the conversion by clicking the Convert All button on the lower first part of the interface. Experience the 30x faster conversion process, and wait in no time.

FLV MP4 Convert File

Step 5Converted File Storage

Check the Converted and see the completed files saved. If you wish to locate the completed files on your computer, you may click the folder image beside the converted file and discover the file storage.

FLV MP4 Converted File

Part 3. Best Online FLV to MP4 Converters

AVAide Online Video Converter

If you prefer another scheme and are looking for an FLV to MP4 converter online, AVAide Free Online Video Converter is within reach. This converter is absolutely free of use with multiple formats to choose from. In spite of this, AVAide online video converter provides you a very smooth experience even without watermarks and ads that bug you. Moreover, this online tool is compatible with any browser, which you can use with Mac, Windows, or even Linux. AVAide Free Online Video Converter lets you experience a limitless conversion for your FLV files. It allows you to convert to other different portable devices such as Blackberry, PSP, Wii, iPod, etc. It also gives you options to convert the FLV to music files like MP2, MP3, WAV, and many more. So let’s get started and see how easy this online tool is.

Step 1Get the Launcher

Acquire the AVAide Online Video Converter launcher to your PC at once. Click the ADD YOUR FILES button, and from the window that will appear, click Download, then Open.

FLV MP4 Online AddFile File

Step 2Import Your Files

To convert FLV to MP4, upload FLV files by clicking the Add File button on the right upper left part of the interface.

Step 3Set Up Your format Preference

Set the uploaded files to MP4, or other formats from the portion located at the lower part of the interface. Then click the Convert button to start the conversion.

FLV MP4 Online Convert File

Step 4Select a Storage for Completed Files

After clicking the Conversion button, your file storage window will appear. Before the conversion process, you must choose storage where the converted files are saved.

Step 5Wait For the Completion

The waiting game only takes less than a minute. Hence, you will be notified shortly after completing the conversion of the FLV file to MP4. As an alternative, you can also check the Folder Image of the file to locate where they are saved.

FLV MP4 Online Converted File

Online Converter

Second, on our list is this Online Converter. This tool also converts different files such as units, images, Ebook, etc. Below are the steps on converting the FLV file to MP4 using Online Converter.

Step 1Under Video Converter choose MP4 on the arrow beside Convert to then click Go.

Step 2Upload your file by clicking Choose File.

Step 3Start the conversion by clicking Convert. Wait for the conversion process to finish. Then download the converted file.

FLV MP4 OnlineConverter File
  • Has a document converter.
  • Couldn’t support encrypted video files, in other words, if your files are secured you couldn’t convert them through this tool.
  • Huge files also take time to upload.
  • Ads are all over the webpage.


We also have this Convertio online converter. This tool offers different forms of conversions like audio, font, Ebook, etc. Basically, it is a converter tool that is flexible in any file that you have to transform. Anyways, please see the below steps to guide you in converting the format FLV to MP4 using this tool.

Step 1Click the Choose Files button, then upload your files.

Step 2Click the Arrow Down button beside to. Then choose MP4 on Video.

Step 3Start the conversion by clicking Convert. Wait for the conversion process, then download the converted file.

FLV MP4 Convertio File
  • With a document converter.
  • No additional settings to enhance the image on the video file.
  • Uploading speed is sometimes stocking.

Part 4. Best FLV to MP4 Converter Freeware to Use

How to Convert FLV to MP4 With VLC

VLC is a free open-source media player that is developed by the VideoLAN project. This is one of the most popular media players today. Fortunately, this tool is not just an expert in playing media, it is also one of the best FLV to MP4 converters. Below will teach you the simplified steps in converting your files using this tool.

Step 1Under Media, click the Convert / Save. Upload your FLV file by clicking the Add button.

Step 2Click the Convert / Save. Click also the drop-down button beside the tool image, then choose MP4.

Step 3Choose your destination file, where the converted video must be saved, click the Browse button to do so.

Step 4Start the conversion by clicking the Start button. Wait for the conversion process to finish, then check the chosen storage.

  • Can also be used as a media player.
  • When it comes to the feasibility of the interface, VLC is not that user-friendly, for it somehow makes the users confused.
  • Multiple buttons need to be familiarized.

How to Convert FLV to MP4 Via HandBrake

HandBrake was created to easily rip a movie from a DVD to a device in 2003 and was released with stability on July 18, 2021. It was also primarily purposed to transform video formats to MKV or MP4. This tool is now being tried and tested by many for its conversion features. Anyways, here are the steps on this free FLV to MP4 converter.

Step 1Click the Open Source button on the upper left part to upload your FLV file. Rename the file then click Save As.

Step 2Choose the output format to MP4, then click the Start button.

Step 3Wait for the conversion process to finish, then check on your file storage for the converted file.

FLV MP4 HandBrake File
  • With editing tools.
  • Totally free.
  • Takes time to download it.
  • Not user-friendly.

Part 5. The Comparison of Different FLV to MP4 Converters

Comparison Chart

For you to have a better understanding of the featured tools, below is a simple comparison chart that you can rely on.

  • Features
  • Platform
  • Malware Security
  • Video Editing Feature
  • Supported Video Formats
AVAide Video Converter Online converter Convertio VLC HandBrake
Downloadable,Web-based Web-based Web-based Downloadable Downloadable

Part 6. FAQs Concerning FLV and MP4

Why can’t I play an FLV file on my phone?

This is because an FLV couldn't play on phones without a media player. Otherwise, you might need to convert the FLV to MP4 or other formats that fit your phone with AVAide Video Converter.

I am often busy with my work, how can I convert my files in the fastest way?

Convert your files in just a minute or less using AVAide Video Converter.

Can I convert my MP3 file to MP4?

MP3 is an audio file. Even though MP4 consists of Video and audio files, there is no way for you to convert MP3 to MP4. However, you may convert MP4 to MP3.


Hoping that this article may help you in deciding what converter tool you must acquire. Not being a bias, but as you read it and based on our experiences on these tools, AVAide Video Converter left us a perfect impression. You must try it to believe it

By Bryan Simmonds on Aug 22, 2022

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