Converting MP3 to M4R is necessary for setting custom iPhone ringtones. This guide shows you how to do it using audio converters such as Convertio and Format Factory, where you upload the file, choose M4R, and click Convert/Start to finish the process quickly.

Why Need to Convert MP3 to M4R

MP3 is widely used because it offers small file sizes and excellent compatibility. However, iPhones use the M4R format for ringtones. To set an MP3 song as an iPhone ringtone, you need to convert it to M4R.

Convert MP3 to M4R Using Convertio

If you don’t want to install any third-party software and want to convert MP3 to M4R online, we suggest using an online converter – Convertio. It is an excellent file converter for video, audio, image, font, eBook, document, presentation, and archive. With over 25,600 different conversions, you can convert files into the format you want.

Note:
The maximum file size is up to 100 MB.

Here’s how:

1. Visit the Convertio website.

2. Click on Choose Files to load the MP3 file from your iPhone.

3. Click the down arrow icon, input “m4r” in the search bar, and select M4R.

4. Tap on Convert to start conversion.

5. Download the converted file to your device.

Convertio File Converter interface.
Tips:
MiniTool Video Converter is a free conversion tool that allows you to convert video & audio files into any popular formats. With this software, you can convert M4R to other audio file formats that you want, including MP3, AAC, FLAC, OGG, WAV, M4A, AIFF, and more.
MiniTool Video Converter interface.

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Convert MP3 to M4R Using Format Factory

Fast steps:

  • Download and install Format Factory.
  • Open Format Factory and select Audio.
  • Choose M4R as the output format.
  • Add the MP3 file.
  • Click Start to convert MP3 to M4R.

Format Factory is an all-in-one video converter. You can use it to convert MP3 to M4R, MP3 to MP4, MP3 to WAV, AVI to MP3, and MP4 to WAV at no cost.

Below is the guide on how to convert MP3 to M4R with Format Factory.

1. Download and install Format Factory.

Download Format Factory from the Freetime website and install it on the computer.

2. Open Format Factory and select Audio.

Run it on your computer and click on Audio in the left panel.

3. Choose M4R as the output format.

From the Audio tab, choose the M4R option to get the import window.

4. Add the MP3 file.

Tap on Add File to open the File Explorer window, choose the desired MP3 file, and click the Open button.

5. Click Start to convert MP3 to M4R.

Then click on OK and hit the Start button in the toolbar to start converting MP3 to M4R. The conversion will be done in a few seconds.

Format Factory interface.

Conclusion

Converting MP3 to M4R is simple with Convertio or Format Factory. Whether you prefer an online tool or desktop software, both options deliver reliable results.

MP3 to M4R FAQ

How to set a song as my iPhone ringtone?
1. Go to Settings.
2. Find and tap the Sounds option.
3. Choose Ringtone and select the song that you want to set as the default ringtone.
How to create your own ringtone?
1. Use an audio recorder to record what you want to say.
2. Save the recording and edit it.
3. Set the recording as your ringtone.
What is the best ringtone maker app?
There are many ringtone makers online. Here are some of the best ringtone makers: Ringtones for iPhone, Ringtone Maker, Zedge, Pop Music Ringtones, and Best Classical Ringtones.
Where to get free ringtone music?
Here are some websites that let you download music legally and for free: YouTube Audio Library, Bensound, Free Music Archive, Incompetech, and Musopen.
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About The Author

Mia

Position: Columnist

Mia joined MiniTool as an SEO editor following her university graduation, bringing a strong foundation in digital content optimization. She has since developed extensive expertise in creating technical articles and delivering practical solutions for video conversion, video compression, and audio transcription. She remains current with emerging software trends and continuously refines her content strategy based on real user feedback and industry developments.

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