

Wondershare UniConverter will change MP4 to M4R with lossless quality.įree Download Free Download Part 2. Set an output quality, then tap the Start All. Next, click the Output Format and select the M4R under the Audio section. Go to the File Location and choose your preferred destination folder. After that, delete the unwanted sections. You can also manually enter a start and stop time, then click the Cut. To do that, click the Trim icon on the video thumbnail, then drag the trimming handles. If you want to use M4R as your iPhone's ringtone, you'll have to trim it to the 40-second duration.

Now click the Add Files to add your MP4 video or simply drag and drop it on the Video Converter. Install and run Wondershare UniConverter on your computer, then click the Video Converter.

Steps to convert MP4 to M4R with Wondershare UniConverter: Step 1 Upload your MP4 file.
