MP3 to MP4 Converter – How to Convert MP3 Files to MP4 within Clicks

Lisa Ou

April 07, 2020 17:00 / Posted by Lisa Ou

Both MP3 and MP4 are the most popular media formats that widely used for multiple platforms and devices. If you were not familiar with the file formats, you can learn more details about the differences between MP3 and MP4 file formats. Of course, you can also find how to convert MP3 to MP4 with ease from the article now. Whether you need to transcode the audio file into a video format, or add a certain image for the output MP4, you can find the desired method with ease.

MP3 to MP4 Converter – How to Convert MP3 Files to MP4 within Clicks

1. MP3 V.S. MP4

What is the major difference between MP3 and MP4 files? MP3 is an audio specific format and MP4 is a multimedia container format standard specified as a part of MPEG-4.

Is MP4 the Successor of MP3?

Judge from the file extension, you might take it for granted that MP4 is the successor of MP3. Of course, MP3 is extended from MP2 files, but MP4 is extended from MOV, the QuickTime format of Apple.

MP3 is a short-form for MPEG-1 Audio Layer 3, which employs a lossy compression algorithm to reduce the data required for the audio recording without disturbing its quality. MP4 is a short-form for MPEG-4 Part 14 that contains audio, video, subtitle, text image and more other files.

Just in simple, the container MP4 can include the MP3 audio file and you can also mux MP3 stream into MP4 files. When you need to convert MP3 to MP4, you can also use the MP3 as the audio codec, which can remain the original quality of the audio file.

Differences between MP3 and MP4

In order to learn more details about the differences between MP3 and MP4 file formats, you can get the desired information from the following MP3 V.S. MP4 chart with ease.

  MP3 MP4
File Extension .mp3 .mp4
Compatibility MP3 players, iPods, mobile phones and most of the devices support audio files. Online streaming sites, mobile phones, smart TVs, USB cable, game console and most of the devices.
Handles Audio file only Audio, video, image, text, subtitle and other files.
MIME TYPE audio/mpeg video/mp4, audio/mp4, application/mp4
Released for public use on 7th July, 1994 2002
Developed by A group of engineers from Europe, belonging to Philips, CCETT (Centre commun d'études de télévision et télécommunications), IRT and Fraunhofer Society ISO
Standard ISO/IEC 11172-3, ISO/IEC 13818-3 ISO/IEC 14496-14

2. How to Convert MP3 to MP4 on Windows/Mac

What is the best method to convert MP3 to MP4 with the original quality? It is not difficult to find an MP3 to MP4 converter, which turns the audio file into a video format directly. When you want to keep the original MP3 audio, you have to mux MP3 stream into MP4 files.

FoneLab Video Converter Ultimate is a versatile media converter that turns MP3 to MP4 with the original quality. It enables you to tweak the audio codec, audio bitrate and more other settings for the MP4 file. Moreover, you can also use the advanced algorithm to enhance the video files or further edit the MP4 files within clicks.

  1. Convert MP3 to MP4, MKV, AVI, WAV and 300 more other media files.
  2. Basic editing features to trim, split, crop and even merge files into one.
  3. Enhance the video effects and remove the noises in multiple methods.
  4. Adjust the audio codec, audio bitrate, channels, sample rate and more.

Download and install the MP3 to MP4 converter, launch the program on your computer. Click the Add File button to load the MP3 files from your computer. Moreover, you can also click the Load Disc button to add MP3 from the DVD disc into the program.

mp4 converter

In order to combine a playlist of music into an MP4 file, you can check the Merge into one file option to combine all checked MP3 files into a single file. Of course, you can click the Trim button to remove the extra parts or split the music into different audio parts.

trim mp3 files

Click the Profile button to unfold the list of output formats, you can choose the MP4 from the General Video formats, or even select the optimal MP4 for your iPhone, Android phone, Samsung TV or other devices according to your requirement.

output mp4

After that, you can click the Settings button to choose the audio codec as MP3. In order to remain the original video quality, you can remain the audio setting as the same. Tweak the video settings or even enhance the videos accordingly.

mp4 settings

Choose the destination folder for the output MP4 file. You can click the Convert button to convert MP3 to MP4 within a short time. Now you can further edit the videos with other video editors or upload the files to social media websites directly.

3. How to Convert MP3 to MP4 Online

When you want to convert MP3 to MP4 online, you can add an MP3 song as an audio track and with an image, such as JPG or PNG image file as a background. It works from most of the web browsers on your computer, which you don’t have to install any software.

Go to the web browser and enter the URL of MP3 to MP4 converter online to select the desired files

Click the Browse button to load the images in the PNG/JPG format, which is up to 25MB. After that, you can click the Browse button to select MP3 file that up to 100MB.

You can also click the Submit Now button to convert MP3 to MP4 files online. It takes a few seconds to download the MP4 video files into your hard drive with ease.

Note: It is suitable to add the artist image to the MP3 music to create an MP4 video. After that, you can save the MP4 video to your device or share it to the social media website accordingly.

Now, you can choose the other video editing tools to reverse the video, compress the video, brighten the video, or even loop the video within the file converter with ease.

file converto


It is not difficult to convert MP3 to MP4, in which most of the MP4 converters are able to transcode the audio format. In order to keep the original audio quality, you can use the professional Video Converter Ultimate to convert the files with ease. Of course, you can also use the online MP3 to MP4 converter to change the file format with a JPEG image of the artist. If you have any queries about the MP3 to MP4 conversion, you can feel free to leave a comment in the article.

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