M2V to M4R Converter

M2V to M4R: Read This Before You Upload

An .m2v file is normally an MPEG-2 video elementary stream: compressed pictures and nothing else. The MPEG-2 standard keeps video (Part 2, published jointly as ITU-T H.262) separate from audio, and an elementary stream is the video part on its own, with no container around it and no soundtrack inside. An M4R ringtone is the opposite, pure audio: AAC-LC in an MPEG-4 container, saved with the extension iPhone uses for custom ringtones.

So the honest answer is this: if your .m2v has no audio, there is nothing to turn into a ringtone, and no setting on this page can create sound that was never recorded into the file. The good news is that an .m2v rarely travels alone. In DVD authoring and broadcast work the soundtrack is kept as a separate file, and the muxed original the .m2v was taken from (an .mpg, .vob or .ts) carries both. This page shows how to check, where the sound usually is, and how to make the ringtone from it.

How to Make a Ringtone from an M2V Project

1. Check for Audio First: Open the .m2v in VLC and look at Audio > Audio Track. If the list is empty and the clip plays silently, the file is video only and cannot become a ringtone on its own.
2. Find the File That Holds the Sound: Look beside it for the same name with another extension: .ac3, .mp2 or .wav from a DVD or broadcast project, or the original .mpg, .vob or .ts the video came from.
3. Convert That File to M4R: Use AC3 to M4R for a Dolby Digital track, or VOB to M4R or MPG to M4R for the muxed original. Set Trim to a Start time and a Duration of 30 seconds or less.
4. Install It on the iPhone: Download the .m4r, copy it to the iPhone with Finder or iTunes, and choose it in Settings > Sounds & Haptics > Ringtone.

M2V vs M4R

Where the Soundtrack Usually Is

If the project went all the way to a finished disc, the VOB files in its VIDEO_TS folder contain the multiplexed sound. Discs you authored yourself are unencrypted and convert normally; encrypted commercial DVDs cannot be converted.

What Happens If You Upload an M2V Anyway

The converter drops the video and looks for an audio stream to encode. A true elementary stream has none, so you should expect the job to stop with an error instead of producing a ringtone. Failing outright is more useful than handing you a silent .m4r that looks like it worked.

Occasionally a file is named .m2v but is really a muxed program stream with sound inside, for example after a careless rename. If VLC lists an audio track, upload it as normal: the audio is extracted, your Trim is applied, and the soundtrack is encoded to AAC in an .m4r.

Ringtone Settings Once You Have the Audio

• Trim: Start time and Duration accept seconds or HH:MM:SS.sss. Apple says ringtones can be up to 30 seconds long, and the note under Duration repeats that.
• Audio Channel: DVD-project audio is often 5.1 AC-3. Choose Stereo for a two-channel ringtone, or Mono for a voice.
• Audio Sample Rate: DVD audio is 48 kHz, which AAC handles natively, so Original is fine.
• File Compression: Constant Bitrate (8-384 kbps) gives a predictable size: 30 seconds at 128 kbps is about 480 KB. Variable Bitrate, Quality Preset, Custom Bitrate and a target file size are also offered.

To install, drag the .m4r onto the iPhone in the Finder sidebar (macOS Catalina or later) or add it with iTunes on Windows; or save it to Files, import it into GarageBand on the iPhone and use Share > Ringtone. Android phones take MP3 ringtones, so convert the audio file with AC3 to MP3 or the matching MP3 page instead.

Frequently Asked Questions

Why does an M2V file have no sound?

Because of how MPEG-2 is organised. Part 2 of the standard defines video coding, Parts 3 and 7 define audio coding, and Part 1 defines the program and transport streams that combine them. An .m2v is only the Part 2 piece, so audio exists only once the video has been multiplexed with a soundtrack into a container such as MPG, VOB or TS.

Why does my M2V show no duration or bitrate?

Those values normally live in container metadata, and an elementary stream has no container. A player has to decode the frames to work out how long the clip is, which is also why some tools report an unknown or estimated length.

Do I need to put the audio back into the video before making a ringtone?

No. A ringtone is audio only, so convert the audio file directly. Re-multiplexing the .m2v with its soundtrack only matters if you want to keep a playable video as well.

My M2V came from a DVD project. Where is the sound?

DVD authoring tools take separate video (.m2v) and audio (.ac3, .wav or .mp2) files and multiplex them into VOB files. Check the project's asset folder for the audio, or use the VOB files of the finished disc if it was your own unencrypted DVD.

How long should the ringtone be?

30 seconds or less. Apple's support article says ringtones can be up to 30 seconds long, and GarageBand shortens a longer ringtone automatically when exporting.

Is an M4R different from an M4A?

Not inside. Both are AAC audio in an MPEG-4 container, written by the same MPEG-4 muxer here; the .m4r extension tells iOS, Finder and iTunes to treat the file as a tone.

What happens to files I upload?

They travel over an encrypted (TLS) connection, are processed on our servers, and are deleted automatically after a few hours. The service is free, with no sign-up and no watermark.