[3 Ways] How to Convert MP3 to M4R on Windows PC

Want to convert MP3 files to M4R as a ringtone? No matter whether your MP3 files are saved on Windows PC or iPhone, this guide will offer you 3 ways with detailed instructions on how to convert MP3 to M4R.

Demi by Demi Updated July 3, 2024
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M4R is a special audio format used as ringtones on iOS devices. Normally, you have to buy M4R files since iPhone cannot make an MP3 a ringtone. In this case, how can you convert favorite MP3 songs to M4R, so that make your ringtone unique?

convert mp3 to m4r

Luckily, it’s not an impossible task if you utilize effective tools. Here in this guide, we’ll show you how to convert MP3 to M4R on both Windows PC and iPhone. No matter whether the MP3 files are saved in computer or iPhone, you can find a way to meet your demands.

Way 1. Convert MP3 to M4R via FoneTool (Fast&Easy)

FoneTool, a powerful iOS data management tool, offers a fast and efficient method to convert various of music formats like mp3, m4a, aif, flac, etc. to M4R ringtone for iPhone with ease.

Key Features and Advantages of FoneTool
• Simple design and operation: The simple UI design make FoneTool easy-to-use. And the ringtone conversion can be complete in one-click.
• Ringtone customization: You can freely select desired pieces to create iPhone ringtones and tweak the effects as you see fit.
• Rich sources: You can modify an MP3 file from either your iPhone or a Windows PC.
• No Data Loss: The ringtone-making process does not cause any loss or damage to the original file.

How to Convert MP3 File to M4R via FoneTool
Click the icon below to download FoneTool to your computer, and follow the simple steps to convert MP3 to M4R.

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Step 1. Connect your iPhone to computer via USB > Launch FoneTool, click Toolbox > Choose Ringtone Maker option.

ringtone maker

Step 2. Choose From Computer or From Device to launch the MP3 file you’d like to convert to ringtone > Click Select to confirm.

choose music from device

Step 3. Edit the duration and effect of the mp3. file as you like > Tap Save to Device to transfer it to your iPhone > Click Save from the pop-up window to finish the process.

save music to device

FoneTool also offers ringtone transfer services, enabling you to transfer ringtone from iPhone to iPhone, iPhone to PC, and vice versa. You can also download ringtones from any source on your computer, and transfer them to your iPhone.

ringtone transfer

Way 2. Convert MP3 to M4R using iTunes

iTunes is also a popular tool for managing and converting media files on both Windows and macOS. While it requires a few more steps than FoneTool, it remains a reliable method for converting MP3 files to M4R. Here’s how to convert MP3 to M4R in iTunes.

Step 1. Launch iTunes, and go to File > Click Add File to Library or Add Folder to Library to add the MP3 files to iTunes library.

add file to library

Step 2. Right-click the MP3 file you’d like to convert to M4R > Choose Song Info.

Step 3. In the prompt window, click Option > Set the Start and Stop time of the ringtone > Click OK to confirm.

intercept ringtone

Step 4. Click the song again, click File > Convert > Create AAC format. Your song will now get duplicated.

Step 5. Select the AAC version of the song, right-click and choose Show in Windows Explorer > Change the extension from .m4a to .m4r.

show in windows explorer

Bonus: Sync M4R to iPhone
To use M4R as an iPhone ringtone, you need the extra steps below to sync M4R files to iPhone.

• Connect your iPhone to computer via USB > Click the phone icon in iTunes.

• Click Summary > Check Manually manage music and videos > Click Apply.

• Click the Tone tab > Drag and drop the ringtone from desktop to iTunes > Then, wait for the sync process to finish.

drag and drop ringtone to iphone

Way 3. Convert MP3 to M4R with Online Converter

Without installing any software on your computer or apps on your iPhone, you can access kinds of online converters to convert MP3 to M4R on Windows PC or on iPhone.

Just for an example, Online Converter, a free online audio conversion site, can convert MP3s to M4R files from within your web browser. You can use any web browser of your choice. Here’s how to convert MP3 to M4R on iPhone or Windows PC via Online Converter.

Step 1. Go to https://audio.online-convert.com/convert-to-m4r in a web browser on iPhone or Windows where your MP3 files are saved.

Step 2. Click Choose File to select the MP3 file you want to convert.

Step 3. After adding MP3 files to the box, scroll down to Optional Settings to customize your ringtone.

online converter

Step 4. Finally, click Start to convert the MP3 file. Your file will begin downloading automatically once it is finished converting.


That’s all for how to Convert MP3 to M4R for use as ringtones on your iPhone. It can be done using various methods, each with its own set of advantages. Whether you prefer the fast and easy approach of FoneTool, the versatility of iTunes, or direct conversion using online converter, there is a method to suit your needs.

By following this comprehensive guide, you can effortlessly create and transfer custom ringtones, adding a personal touch to your iPhone experience.

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