Convert iPhone Ringtone (.m4r) to MPEG-4 Part 14 (.mp4) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .m4a file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .mp4 file when it's ready.
MP4 (MPEG-4 Part 14) is the world's most widely supported multimedia container, playable on virtually every device, browser, and platform. Converting M4R ringtone audio to MP4 creates a universal multimedia file that works everywhere — from web browsers to smart TVs to gaming consoles. The conversion wraps the ringtone audio with a minimal video track, producing a file that YouTube, social media platforms, and video players all accept.
This conversion is particularly useful for sharing short audio clips on platforms that require video format. Instagram, TikTok, Twitter/X, and Facebook all accept MP4 but not M4R or standalone audio files. By converting your ringtone to MP4 with a static background image or black frame, you can upload audio content to video-centric social platforms.
Social media platforms are video-first. You cannot upload an M4R or even an MP3 to Instagram Reels, TikTok, or YouTube — they require video files. Converting M4R to MP4 with a simple background creates a video file that passes these platforms' upload validation. The audio plays while the static image is displayed, which is how most music clips and podcast highlights are shared on social media.
MP4 is also the safest format for embedding audio-visual content on websites. Every browser supports MP4 via the HTML5 <video> element, and the format's ubiquitous device support means anyone can play the file regardless of their operating system. For ringtone creators who want to showcase their work on a portfolio website or share clips with clients, MP4 is the most universally accessible choice.
FFmpeg decodes the AAC audio from the M4R container and creates an MP4 file with an H.264 video track (single black frame at 1280x720, 1 fps) and AAC audio. The audio can be stream-copied if the output uses AAC, preserving the original audio losslessly. For social media uploads, the video track uses H.264 Baseline Profile for maximum platform compatibility, and the audio uses AAC-LC at 128-256 kbps.
When stream copy is used for the AAC audio, the conversion is lossless. The audio data in the MP4 output is identical to the M4R source. The video track is a placeholder with no visual content. For social media platforms, the file meets all technical requirements (H.264 + AAC in MP4) for accepted uploads. Adding a custom background image does not affect audio quality.
| Device | M4A | MP4 |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
M4R to MP4 is the key conversion for sharing ringtone audio on social media, websites, and any platform that requires video format. The universal MP4 container ensures your audio plays everywhere, from smartphones to smart TVs to web browsers.
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| Native |
| الميزة | M4A | MP4 |
|---|---|---|
| الاسم الكامل | MPEG-4 Audio | MPEG-4 Part 14 |
| الامتداد | .m4a | .mp4 |
| الأفضل لـ | Better than MP3 | Universal compatibility |