MP4 to M4R
Convert MP4 files to M4R online for free. Fast, secure, and no installation required. Best MP4 to M4R tool.
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Best in class algorithms for M4R conversion.
What is MP4?
MPEG-4 Part 14
MP4 is the most widely compatible video container format today. It stores video, audio, and subtitles and is supported by almost all players, browsers, and devices. It typically uses H.264 or H.265 video compression and AAC audio.
- Universal compatibility
- High compression efficiency
- Supports streaming
What is M4R?
iPhone Ringtone
M4R files are essentially renamed M4A (AAC) files used specifically as ringtones on the iPhone. They are limited to 40 seconds in length and use AAC encoding.
- iPhone ringtone
- AAC encoded
- 40s limit