Our online Mp3 file to M4r converter provides you an excellent conversion in terms of speed, just upload Mp3 file and download quality M4R iPhone ringtone format. Apart from MP3, you can also convert audio formats like AMR, AIFF, WAV, MP2, M4A, and more. It's simple to use and lets users convert a maximum of 50MB. FileConverto is an excellent MP3 to M4R converter online that goes about its business with minimal fuss. Find the part of the song you want to use as iPhone ringtone and remember it (or you can write it down). Open iTunes, find the song that you want to make into a ringtone. Just follow the steps below to complete your conversion for free with iTunes.

Use iTunes to convert MP3 to M4R for free. Alternatively, Apple iOS is another good choice for opening M4R files. How to open an M4R file? As a format deployed by Apple for iPhone ringtones, M4R files open on iTunes by default. The only difference between M4R and MPEG 4 Audio (M4A) is the file extension, which lets an iPhone know M4R is a ringtone instead of a song. The M4R file should automatically save to your device. Click the 'Convert' button to convert your file to M4R format. After seeing the selected file appear in the file selector, you can customize your output conversion settings including bitrate, sample rate and channels.

Using the file selector above, select a MP3 file from your computer or phone. Select start and end time from video cut option to trim out the parts that you don't want. XConvert Audio converter supports uploading file from any device including PC, Apple Mac, Android and iPhone devices. You can convert multiple MP3 tracks to M4R audio files and customize bitrate, channels, and sample rate of M4R files for free.

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