There are very few media players in the market which support playing FLV file types. In such a case, it is a good idea to convert your FLV files to a format that is supported by all major media players. MP4 media formats are the most widely used formats that are supported by not only all major media players but can be played inside browsers too. So let’s see the different FLV to MP4 converter tools that are present online as well are available for download as software.


Part 1: Top 5 best FLV to MP4 converter software


#1 DVDFab Video Converter

DVDFab Video Converter is an all in one tool for your video conversion and editing needs. It is a powerful tool that can read media files from all major devices like smartphones, camcorders and even from the internet. You can use DVDFab Video Converter as an FLV to MP4 converter to not only convert but to do a lot more modifications to the video which we will demonstrate below. Let’s first start with the basics.

Step 1 - Download and install DVDFab Video Converter on your Windows or Mac computer.

Step 2 - On the main screen of the tool, at the center you will see a + button. Click on that to import an FLV file or directly drag and drop an FLV file to the center of the screen.

flv to mp4 converter

Step 3 - Once you have added the file, click on the Converter icon present in the top section of the tool. After that, click on the Profile Switcher button, select Video from the left sidebar, click on Format and then click on the MP4 icon that appears.

flv to mp4 converter

Step 4 - This step is optional and is only required if you want to do some changes in the video itself like changing its properties or editing the video. Otherwise, jump to Step 6. DVDFab Video Converter gives you a lot of advanced options to change your input FLV video properties. Open the Advanced Settings menu of DVDFab Video Converter and choose whatever changes you want to do before the FLV to MP4 conversion.

flv to mp4 converter

Step 5 - In case you want to do some video editing on your video before converting it from FLV to MP4, DVDFab Video Converter comes with a fully equipped video editor. It is easy to use and simple to understand. You can use it to Trim or Crop the video or changes it Brightness, Contrast and Saturation.

flv to mp4 converter

Step 6 - If you are ready with all the settings, now is the time to start the conversion process. Before starting though, you can change the default location of the output file by specifying a separate folder using the “Save to” option appearing at the bottom of the tool. Once done click on the Start button to start the conversion process.

With DVDFab Video Converter, you can do the batch conversion of FLV to MP4, schedule the conversion process and in case the process is aborted in between, during the next start of the tool the software will prompt you to complete the conversion process. A really powerful FLV to MP4 converter that has all the video/audio conversion and editing capabilities you can think of. With years of experience in this field, DVDFab Video Converter developers know exactly what the user requires.


#2 FLV Converter

FLV Converter is a free utility from Download the install the software from Once the installation is done, all you need to do is feed the input FLV file to this free FLV to MP4 converter and have your output file ready at the press of the Convert Video button.

free flv to mp4 converter


#3 VLC Player

VLC is an open source project and VLC player is the result of this open source contribution. In its installation binary, the tool holds a lot of features and the best part, all of them are available for free use. So this is what we are going to utilize today to do FLV to MP4 conversion for free. To start with, install VLC player if you don’t have it already. After that, open the Media option in the menu bar and select Save/Convert option. Click on the Add button to locate and add your FLV file. Use the drop-down appearing beside the Convert/Save button to select Convert.

In the next window, click the Profile section select MP4 format and enter the destination output folder.

flv to mp4 converter

Alongside the Profile button, you also have the Advanced Settings launcher button. You can use that to change the attributes of the video like codec modification, audio quality change, resolution selection and more. Once all settings are done, click on the Start button to get your output MP4 file.


#4 HD Video Converter Factory

This free FLV to MP4 converter has a beautiful simplistic UI with big icons to capture your attention to the important parts of the screen. Install the software and click on the Add Files button to add the FLV file for conversion. Use the drop-down on the right-hand side and select MP4 as the output file format. Choose the video quality and the video and audio codec. If you have multiple video files you can add them all to merge them into a collective MP4 file too. Once all settings are done select the Output folder and press the Run button to start the conversion process.

flv to mp4 converter


#5 Handbrake

This is an open source tool hence completely free to use. Though it comes with a lot of powerful features, currently we will focus just on its capabilities as an FLV to MP4 converter. The UI of Handbrake is not that attractive as of HD Video Converter Factory, but being an open source tool the focus is more on functionality rather than on visual appeal. Just click on Open Source button to add you FLV file to the tool. From the Format drop-down select MP4.

The tab present along summary you can also modify other features of the video like its Dimensions, Video properties, Audio properties, Subtitles and Filters.

Once all settings are done, click on Start Encode to start the FLV to MP4 conversion process.

free flv to mp4 converter


Part 2: Top 5 best FLV to MP4 online converters

If the FLV file you want to convert to MP4 is small you can consider using an FLV to MP4 converter available online. Just do a rough estimate depending on the file size, upload speed and download speed to see if it is practical to use an online FLV to MP4 converter. If you have made your decision to do it online, let us see the best free FLV to MP4 converters available online.


#1 is the most famous online video converter that supports conversion of a variety of video formats. To convert FLV to MP4 for free using this website, you need to go to its Convert to MP4 section, upload the FLV file, do any optional settings for the output file and start the conversion process. You can change the screen size, bit rate, frame rate, cut the video, rotate it and a lot more.

online flv to mp4 converter



This website is like our first website for FLV to MP4 conversion. It has a lot of tools to customize your output file. You can specify the video attributes size, frame rate, video bitrate or edit the video cutting part from the video, trimming a section of the video, rotating or merging the video with another video. All these options are neatly arranged on the website and are available for free. No doubt, is one of the best online FLV to MP4 converter.

online flv to mp4 converter



As is clear from the name, this website is dedicated to doing media conversion only. You can use it as a free FLV to MP4 converter to convert any number of files on your desktop or even your Android smartphone. However, due to limitations of the iOS web browser, you cannot do the conversion from an Apple smartphone. This website provides less advanced options, unlike However, if you don’t have to do any change in the video attributes, you just need to upload the video, select the output format as MP4 and start the conversion process. What you can select is the quality of the video and the start and end points of the output video. You can convert only 1 video at a time.

online flv to mp4 converter



This website is a hub of a programmer who has been developing web applications since 1990. Titled as Dan’s website, it a hub for a lot of development tools as well as media conversion tools like an online FLV to MP4 converter. With a few options to select like the size of the output file, quality and type, it a quick FLV to MP4 converter.

free flv to mp4 converter



A website from the house of Wondershare, they have a small utility that is a little different from the other services above in that it allows you to do the batch conversion of FLV to MP4 files. There is nothing else to select here. It is perfect for those who are just interested in a simple FLV to MP4 converter without the need to do any changes to video attributes, format or the size and quality.

online video converter


That completes our list of best FLV to MP4 converters list. If your file size is small and this type of conversion is a one-off thing, any of the online FLV to MP4 converters will suit you. However, if you are doing this activity frequently, need for other types of video conversion and also need a good video editor; you need a desktop tool which can provide you all the tools at one place. DVDFab Video Converter is the obvious choice for this.