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Top 5 Ways to Convert MP4 to FLAC Recommended

by Kayla Morrison • 2024-01-11 10:27:54 • Proven solutions

While MP4 is a video format, in fact a container that consists of both audio and video information, the FLAC files are created using lossless compression encoding method, and are the audio-only media tracks. Therefore, the process of converting MP4 to FLAC means that you are extracting the acoustics from a footage and saving the sound in FLAC format.

With that said, here you will learn the top 5 methods to convert MP4 to FLAC using both desktop and online tools.

Part 1. Best way to convert MP4 to FLAC you should try

One of the best methods for such type of conversion tasks is by using an efficient and robust desktop MP4 to FLAC converter. One such application that has been in the market since more than a decade, and is liked by millions of users worldwide is Wondershare UniConverter developed by an IT giant, Wondershare. Wondershare UniConverter (formerly known as Wondershare Video Converter Ultimate) is available for both Windows and Mac platforms, and is capable of recognizing more than 1000 formats when it comes to transcoding the files.

In addition, UniConverter also has a couple of built-in tools such as screen recorder, video editor, video compressor, etc. that help you come up with the industry-standard outputs in order to make the footages and clips more engaging and informative for the viewers.

Wondershare UniConverter - Best MP4 to FLAC Converter

Security Verified. 5,481,347 people have downloaded it.
  • Convert MP4 to FLAC, AAC, M4A, AU, AMR, MP3, and other formats.
  • Download videos from popular sites like YouTube, Dailymotion, Vevo, etc.
  • 90X faster conversion speed than any conventional converters.
  • Batch video/audio compression and conversion are allowed.
  • Toolbox with additional functions like Screen Recorder, VR Converter, GIF Maker, Fixing Media Metadata, and more.
  • Supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7.

The steps given below clearly explain how you can use Wondershare UniConverter as an MP4 to FLAC converter software to extract the audio from a video in FLAC format:

Step 1 Bring the source MP4 file to the program.

Start Wondershare UniConverter on your Mac or Windows computer (a Windows 10 PC here), from the left pane, make sure that the Converter category is already selected, click the Add Files from the center of the right window, and select an import the source MP4 file to UniConverter. Alternatively, you can also use the drag-and-drop feature to bring the source footage to the program.

Open the Wondershare UniConverter

Step 2 Select FLAC as an output format.

From the lower section of the right window, click and open the Output Format menu, go to the Audio tab from the top, click to select the FLAC from the available options in the left pane, and select Lossless Quality from the right.

Select FLAC as an output

Step 3 Begin the conversion process.

Use the File Location field from the bottom of the right window itself to define a destination location for the converted files, and click the Convert from the right of the imported clip to convert MP4 to FLAC. In case of batch conversion, you must click the Start All from the bottom-right corner of the interface.

start to convert OGG  to M4A by Wondershare UniConverter

Step 4 Access the produced FLAC file.

Go to the Finished tab from the top of the interface, and click the Open from the right of the converted file to get to the folder, and access the soundtrack in FLAC format.

start to convert MP4 to FLAC by Wondershare UniConverter

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Part 3. Other 3 ways to convert MP4 to FLAC

There are a couple of other MP4 to FLAC converter online solutions that are free to use, and are able to perform equally well. Some of these web programs are listed below along with their advantages and disadvantages:

1. Zamzar

With fewer distracting advertisements, and a clear and simple interface, Zamzar lets you transcode MP4 to FLAC online for free. Furthermore, you can even configure the solution to send a download link directly to your email address so you don’t have to check the web browser for the completion every now and then, and can focus on other important tasks in the meantime.


  • The entire conversion process can be completed in 3 simple steps.
  • The landing page provides detailed information about both the participating formats.


  • At the time of this writing, you can only convert the files that are of 50MB in size. In order to increase this limit, you must subscribe for a paid plan.

OGG Music Online Converter - Zamzar

2. CloudConvert

CloudConvert allows you to upload the source MP4 files from your local computer, the files’ URL, Google Drive, Dropbox, or Microsoft OneDrive. The online portal is capable of recognizing more than 200 formats, and can even produce high-quality outputs during MP4 to FLAC conversions, thus giving you the industry-standard results that can be used for both personal and professional purposes.


  • Enables you to configure the output preferences before beginning with the conversion process.
  • Offers its own API that can be integrated to your website to make the conversions convenient for the visitors.


  • Even the paid subscription plans offer limited number or minutes of conversions.

OGG Music Online Converter - CloudConvert

3. Convertio

Convertio is yet another MP4 to FLAC online conversion program that can accept your files from your computer, Dropbox, Google Drive, or URL. For your better understanding, the landing page also briefly explains about each of the participating formats. Even though the webpage has a couple of advertisements, they are not as distracting and annoying as there are on the other similar portals.


  • Allows you to set up the output preferences before conversion.
  • Offers an API that can be integrated to your website.


  • As an unregistered user, you can only convert the files that are up to 100MB in size.

OGG Music Online Converter -


Depending on the frequency of the transcoding tasks that you perform, you can either use a desktop MP4 to FLAC conversion tool, or can go for an online solution. While the PC programs are fast, and offer unlimited number of conversions, the web apps are free to use but have certain restrictions such as file size limit, number of sessions per day, fewer editing options, etc.

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Kayla Morrison

Kayla Morrison

staff Editor

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