- Extension
- .m4r
- .mjpg
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Apple Inc.
- Motion JPEG Group
- Description
- M4R is an iTunes ringtone file that stores mono channel audio. They are identical to the M4A format files only that they are correctly used for ringtones.
- It is a Motion JPEG that captures sequence images in a multimedia format — commonly used on digital cameras and webcams. It is a large file size that can be easily edited because of its low compression levels.
- MIME Type
- audio/x-m4r
- video/x-motion-jpeg
