How to Convert MPG to MP4 on Mac/Windows Faultlessly? (Incl. Free and Online)

Peter William
May 05, 2023 Preview 5.9K Preview 0
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As we all know, Apple device and some other devices actually don't support MPG video files. So you might have a hard time playing or editing MPG video files on Mac, iPhone, iPad, iMovie, etc. To solve this problem, you'd better try to convert MPG video file to MP4. Since MP4 is widely used and supported by the Apple device and iMovie. In this article, we will explore how to convert MPG to MP4 on Mac/Windows in 4 simple ways, and also show you subtle distinctions between MPG and MP4.

Best Way to Convert MPG to MP4 on Mac and Windows

Cisdem Video Converter

To convert MPG to MP4 on Mac and Windows, Cisdem Video Converter is a powerful cross-platform program that allows you to convert almost all video and audio files into 600+ output digital formats in a few clicks. On the one hand, it is able to batch convert files quickly without data loss. On the other hand, it supports giving the converted videos up to 4K quality. Moreover, it offers rich customization features, dedicating to making satisfactory conversions for people.

Main Features of the Best MPG to MP4 Converter on Mac and Windows:

  • Easy to use with the clear configuration of the interface
  • Convert videos and audios to 600+ formats, including converting MPG to MP4
  • Compatible to different devices such as Apple, Android, etc.
  • Download fast with enhancing engine, including converting large files
  • Highly customization with the built-in editor
  • Can edit and add subtitles
  • Cause no damage to the quality of the original video
  • Can also download videos from 1000+ websites and rip all kinds of DVD discs
  • Offer a batch-processing features to convert, download and rip files in bulk

Free Download   Free Download

Steps on how to Batch convert MPG to MP4 Mac via Cisdem

Step 1. Import MPG files into the software

Run the downloaded Cisdem Video Converter on your Mac. Simply drag and drop MPG files to the program. Alternatively, click media browser button in the top right-hand corner to browse MPG files from the computer.

Convert MPG to MP4 on Mac Cisdem Step 1

Step 2. Choose MP4 as output format

Go to the format list > General Video > MP4. If you want to play the converted MP4 files on iPad or iPhone, you can navigate to Apple Device > iPad or iPhone > MP4.

Convert MPG to MP4 on Mac Cisdem Step 2

Step 3. Edit the MPG videos if needed

Click the icon to edit your MPG videos before conversion. You can modify these videos by trimming, cropping, rotating, and adding watermarks & subtitles & effects.

Convert MPG to MP4 on Mac Cisdem Step 3

Step 4. Batch convert MPG files to MP4

Before converting, you can ;merge them into one video to transfer. Then, just click on the button in the bottom right corner to batch all added MPG videos immediately.

Convert MPG to MP4 on Mac Cisdem Step 4

How to convert MPG to MP4 on Windows 10?

As Cisdem Video Converter also develops the Windows version, which is similar to the Mac version in all aspects. So the needed people can download the Windows version of the program and refer to the steps mentioned above to make conversions on Windows 10 or other Windows systems.

Free Download   Free Download

How to Convert MPG to MP4 on Mac/Windows for Free


Handbrake is a free and popular video transcoder program that you can consider for converting MPG to MP4 on Mac and Windows. It has been around for over 10 years, thus this open source tool should be reliable and thorough. Although it can’t batch convert MPG to MP4 files, it supports adding multiple files to a queue for conversion, saving people from waiting in front of the computer all the time.

Steps on How to Convert MPG to MP4 Using HandBrake

  1. Download and install Handbrake, then run it on your computer.

  2. Click the "Open Source" button on the top left corner to add MPG file from your device.

  3. Leave “Preset” option without any operation as the default setting is the best option. Even if you choose the higher quality, it only increases the conversion time without improving the quality.
  4. Move on to "Summary" portion and set output video as MP4 format.
  5. If needed, head to "Video" portion to make the detailed information about the video codec.
  6. Then choose the location for the MP4 file by clicking “Browse…” button.
  7. If you have multiple files for conversion, click “Add to queue” on the top and then repeat the above steps to add other MPG files.
  8. Click on"Start Queue" button on the top to begin the conversion.
    convert MPG to MP4 with Handbrake

VLC Media player

Most of you are definitely familiar with this free and open-sourced application of VLC Media Player, which supports to play countless formats of video and audio on Mac and Window. But someone probably don't know that this multimedia player can also be used a converter to convert the files into some formats such as MP4, Webm, OGG, etc.. It is easy to use and matches the according output format in a quick response, which is a trustworthy and free MPG to MP4 converter for Mac and Windows.

How to Convert MPG to MP4 with VLC

  1. Get the software on your computer and open it. Click "Fire > Convert/Stream…" on the top menu.
    add a file on VLC
  2. On the popped-up window, "Open media…" option to select an MPG video.
    choose mp4 on VLC
  3. On “Profile” section, select "Video - H.264 + MP3 (MP4)" as the output format.
  4. Click "Save as File" then "Browse" bar to edit the file name and save location. Once done, click "Save".
    set file name and location on VLC
  5. Simply click the blue "Save" button to convert MPG to MP4 for free.

Convert MPG to MP4 Using Command Lines

For people who are are proficient in software, they can also use the command lines to make conversions easily. Command lines is beneficial to those workable software that don’t have a graphic interface to conduct the task, such as FFmpeg, which is a open-source project that supports converting almost all popular video and audio formats. Due to the number and flexibility of the lines, novices may feel overwhelmed by them.

Steps on how to convert MPG to MP4 with FFmpeg

  1. Download FFmpeg, open it after installation.
  2. Open Command prompt or Terminal on your computer.
  3. Input the command line: ffmpeg -i inputfilename.mpg -c:v libx264 outputfilename.mp4.
    convert mpg to mp4 with ffmpeg
  4. Hit on “enter” to convert MPG to MP4 on Windows 10 or Mac..

Online MPG to MP4 Converter - Also Gives You a Decent Experience


If want to convert MPG files to MP4 without installing software, just try the free online MPG to MP4 converter - Convertio. It is a compact and stable tool that helps you convert files online, supporting more than 300 different documents, audios, videos, archive and so on. But, it offers a small free capacity of less than 100MB. If you wan to batch convert MPG to MP4 large files without limitation, you need to upgrade to its paid version.

Steps on How to Change MPG to MP4 Online with Convertio

  1. Visit
    visit online mpg to mp4 converter
  2. Upload MPG video from computer, Google Drive, URL, Dropbox, or by dragging it on the page.
  3. Select “MP4” as the target format.
  4. Also, edit the files by clicking the popped-up icon that looks like gears.
  5. Click the red "Convert" button to do the MPG to MP4 conversion. When it’s finished, download the converted file on your device.
    change mpg to mp4 online via convertio


Another excellent online converter for converting MPG to MP4 is Cloudconvert that supports to more than 200 formats, which is free and easy to use. You don't need to worry about that it will leak your information because its development team claims that Cloudconvert won’t steal users' personal information for selling when accessing to the files. Besides, you are allowed to use it directly without register. However, the speed becomes slowly when you upload a file of 1 GB for conversion.

Steps on How to Change MPG to MP4 Online with Cloudconvert

  1. Open a browser, search for "Cloudconvert" on the bar and head to its official website.
  2. Choose a way to upload an MPG video that you want to convert such as computer, URL, Google Drive, Dropbox and OneDrive.
    select input file on cloudconvert
  3. It appears a thumbnail of the MPG video, click drop-down button next to it and choose "MP4" as the output format.
    choose mp4 on cloudconvert
  4. Click the red convert button to start the conversion. When finished, the MP4 will be played automatically. And you can click "download" at the right bottom to save it.

What is the Difference Between MPG and MP4?

MPG (MPEG) is a digital video format that uses MPEG codec, including MPEG-1 or MPEG-2 video formats as well as audio formats. MP4 (MPEG-4) is mainly a video format for storing video and audio data. Both of them are created by Motion Picture Experts Group and MPG is earlier than MP4. Although they have many similarities, they still have differences after discreet comparison.

Supported Video Codecs

MP4 videos support more video codecs than MPG videos. MP4 supports not only MPEG-1 and MPEG-2 video codecs that MPG supports, but also many other codecs such as H.265/HEVC, H.264/AVC, MPEG-4 Visual, Cinepak, etc..

File Size

In fact, MP4 videos is larger than MPG videos. But modern video codecs such as H.264 and H.265 adopt better video compression that means it can produce smaller file than MPEG-1 under the same size.

Video Quality

In reality, MPG and MP4 are similar because both of them use codecs of MPEG-1 and MPEG-2. However, the MP4 files have a better quality because of using modern video compression.


As we all know, MP4 is a popular video formats and almost all media player and devices support to play it. On the contrary, MPG becomes obsolete and a large number of players currently don't support to play MPG video file format.

After comparing MPG and MP4, it is easy to find why people are longing for converting MPG to MP4.


At the end of the article, you may get your favorite way to convert MPG to MP4 on Windows 10 or Mac. Most of you probably prefer to use free or online ways. It’s definitely that they have their advantages like free and convenience. But in the long term, it is recommended to use paid MPG to MP4 converters because they are absolutely safe, competitive and have affluent multipurpose functions, while the free software and online tools only support a few video formats and get the lower quality conversion.

Peter William
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Peter has always had great enthusiasm for writing, programming and web development. He likes writing about software and technology, his works are featured on some tech blogs or forums like Tom's Hardware, CNET, etc.

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