All-in-One Video Converter

Wondershare UniConverter

  • Best MP3 to video converter to convert MP3 to video format and upload to YouTube.
  • Support 1,000+ video formats including MP4/MOV/AVI/MKV, etc.
  • Crop/Trim/Rotate videos before converting and make other customization.
  • Versatile toolbox combines Burn DVD, GIF Maker, Fix Media Metadata, etc.
MP3 to video converter

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MP3 to Video Converter App: 4 Ways to Convert MP3 to Video Free or Online

by Christine Smith • Jul 23,2019 • Proven solutions

I tried to upload a song that I like but YouTube says that format is not supported. Why is it happening? There are many audios on YouTube but when I try to upload the audio files, it fails, why?

Queries like this are often searched in the browser to look for an answer. But it is not a problem as it seems. YouTube is showing the error only because the format of the audio file is not supported by the platform. It is a video uploading platform and hence supports only video formats. Thus, you will need an audio file in video format. So, to resolve your issues, we are providing you some of the best MP3 to video converter for free which will help you to convert any format so that you can upload your audio to YouTube.

Part 1. Best MP3 to Video Converter APP for Windows/Mac

Among all the choices you have, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is the tool which will do the job quickly and very easily. It is the best mp3 to video converter for PC and hence used by many people for conversion of file formats. Along with the format conversion, the software also has many more capabilities. It can also be used to download the videos and audio from multiple platforms and burn them on various data discs. Wondershare UniConverter is the complete video toolkit and hence can perform multiple tasks.

Wondershare UniConverter - Your Complete Video Toolbox for Windows/Mac

iPhone video converter
  • Best MP3 to video converter app to convert MP3 to video format and upload to YouTube.
  • Support most video/audio input and output formats such as MP3/WAV/WMA/M4A/MP4/AVI/MOV/MKV/MPEG and more.
  • Download videos from 10,000+ video websites such as YouTube by pasting URLs.
  • Burn videos to DVD with free menu templates and other customization points.
  • Transfer videos to iPhone/iPad/iPod and Android devices easily via USB cable.
  • Additional toolbox with functions of VR Convert, Fix Video Metadata, GIF Maker, Copy DVD, etc.
  • Supported OS: Windows 10/8/7/2003/Vista/XP, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.
Security Verified. 5,481,347 people have downloaded it.

Video Tutorial to Convert MP3 to Any Video Format with Wondershare UniConverter

Steps to Convert MP3 to Video with Best MP3 to Video Converter App:

Step 1 Add Files to Best MP3 to Video Converter

Download the software on your system and launch it. From the Convert interface tap on the +Add Files option and a search window will open up. Choose your MP3 files to convert to videos.

add MP3 files to convert to video

Step 2 Select a Video Format for Your MP3 Files

Next, click the Convert all files to: option on the right-top corner to select a video format you want to convert to. As ultimately you are going to upload the file on YouTube, so select the YouTube format.

select output video format

Step 3 Convert MP3 to YouTube Compatible Video

At last, tap on the Convert option or directly tap on the Convert All button if you have multiple files for conversion. Your MP3 files will be converted to videos after a few minutes.

Convert MP3 to YouTube

Part 2. How to Convert MP3 to MP4 Online

Another option that users also choose is online MP3 to video converter. Online UniConverter (originally is such a most recommended online platform to convert MP3 to video. It doesn't require any hectic download or installation process, instead, the file format conversion is done online and then you are provided with the converted file that you can download. It can efficiently convert more than 30 types of format into video formats. So, use the Online UniConverter (originally as MP3 to video converter free and online to download the files on your device easily.

Steps to Convert MP3 to Video Online and Free with Online UniConverter (originally

Step 1: Visit the link and the home page of the website will open up.

Step 2: On the left side, you will see a tab where you can add files to convert. Tap on the Add your files option and load the file from your device. Then choose your output format by clicking Convert to: button.

Step 3: The conversion process will take a while depending on the number and size of files. Once the files are converted you will be able to download them.

online MP3 to video converter

Part 3. Convert MP3 to Video with Pictures via Windows Movie Maker

Windows Movie Maker doesn't exactly convert the format but it can make a video with the audio file and only the image that you want to keep as the thumbnail for your video. You will be able to upload the mp3 to YouTube without any difficulty. Although the Windows Movie Maker was discontinued by the Microsoft it can still be downloaded from other hosts.

Steps on How to Convert MP3 to Video with Images via Windows Movie Maker:

Step 1: Download the Windows Movie Maker from an authentic site and install it on your system. Then launch the software and start the process. Tap on the Add option on the screen and add the photo that you want to keep as the thumbnail for the audio file.

convert MP3 with Windows Movie Maker - 1

Step 2: Then in the next screen, add the audio file into the software interface.

convert MP3 with Windows Movie Maker - 2

Step 3: Under the Music Tools, select the options tab. In the options, customize the length of the file and select the end point of the file to copy it.

convert MP3 with Windows Movie Maker - 3

Step 4: Now tap on the Edit option under the Video Tools, and in the Duration, field pastes the length of the song in that field.

convert MP3 with Windows Movie Maker - 4

Step 5: Click the Play button and have a preview of the file. Finally from the File tab and choose the Save Movie option and then click on the YouTube option. Give a name to the file and then save the file on your system.

convert MP3 with Windows Movie Maker - 5

Windows Movie Maker will start the rendering process of the video and it will only take a while to complete it. Now you are free to upload the audio in video format on YouTube.

Part 4. Transfer MP3 to Video with Picture on Mac

Conversion of MP3 to video is not that much of a complicated task even on Mac. iMovie offers a similar feature as that of the Windows Movie Maker. It can convert audio to video with picture easily which further can be uploaded to the YouTube without any hassle. Using the iMovie isn't a tough job; you can easily make such audio/video files in minutes.

Steps to Convert MP3 to Video on Mac with iMovie:

Step 1: Launch the iMovie app on your Mac from the Applications folder. If you haven't installed the iMovie app on your Mac, then you can install it from iTunes.

Step 2: Tap on the Projects button loads the picture that you want to be displayed on your video. You can also use the drag and drop method to load the picture.

convert MP3 to video with iMovie -1

Step 3: When the picture is added right click on it and select the Clip adjustment option. In the adjustment tab, give duration to the clip and tap on done option.

convert MP3 to video with iMovie -2

Step 4: Now, add the music file from iTunes, or from the download library. Either select the File option and tap on the Import button to open the library window, or use the drag and drop method to load the music file in iMovie.

convert MP3 to video with iMovie -3

Step 5: Once the file is added to the iMovie, adjust the starting and end point of the movie. You can also have a preview of the video that you are creating.

convert MP3 to video with iMovie -4

Step 6: If you are satisfied with the editing, then go to the File tab and then select the Finalize project option. The iMovie will start rendering the audio into video format. The conversion will take some time and you have to wait patiently. Unless the process is complete, you won't be able to make another movie.

convert MP3 to video with iMovie -5

Step 7: When the process completes, you can now go under the share tab to export the file to the media library or directly share it to YouTube.

Although the iMovie is a very smart app, it takes a lot of time to convert the mp3 into a YouTube supported video. Thus, the users have to rely on a software which won't take much time and does the conversion as fast as possible.


Thus, now, we can conclude which is the best mp3 to video converter. The software that comes at high prices needs to be efficient, but that's not the case with the free software. Not all the free software has the capabilities of working efficiently. Windows Movie Maker and the iMovie for Mac, both are good software but lacks the most important feature required by the users, i.e. speed.

Hence, we are recommending you to use Wondershare UniConverter to convert MP3 to video format so that you can upload it to YouTube quickly. The Online UniConverter (originally is also a reliable platform designed by Wondershare so that you can have benefits of a brilliant platform without any charges.

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