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Convert MTS to M4R

Extract the audio from MTS videos and save it as M4R — ideal for custom iPhone ringtones and text tones.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android

    Trim (optional)
    Use minutes:seconds, e.g. 1:05.5
    Quality
    Advanced options

    How to convert MTS to M4R

    1. 1

      Tap Choose files and select one or more MTS files (or drag them in).

    2. 2

      Check that M4R is selected. Use Advanced options for bitrate, channels or trimming.

    3. 3

      Press Convert. Everything happens on your device — no upload, no waiting in a queue.

    4. 4

      Your M4R downloads automatically. Converting several files? Grab them all as a ZIP.

    MTS vs M4R

    Only the sound is kept — the picture is dropped, so the M4R file is far smaller than the MTS video.

    MTSM4R
    Full nameAVCHD VideoiPhone Ringtone (AAC)
    TypeVideoAudio
    CompressionLossyLossy
    Developed bySony & PanasonicApple
    Introduced20062007
    Plays on iPhone✕ No✓ Yes
    Plays on Android✕ No✕ No
    Plays on Windows✓ Yes◐ Partly / with an app
    Plays on Mac◐ Partly / with an app✓ Yes

    About MTS and M4R

    MTS: MTS/M2TS files come from Sony, Panasonic and Canon HD camcorders (AVCHD). They are high quality but hard to play on phones.

    M4R: M4R is the iPhone ringtone format. It is an AAC audio file (the same as M4A) with a different extension, and iOS only accepts ringtones up to 30–40 seconds long.

    Frequently asked questions

    How do I convert MTS to M4R on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your MTS, make sure M4R is selected and tap Convert. The M4R file is saved to your Downloads.
    How long can an iPhone ringtone be?
    Keep it to 30 seconds. If your file is longer, set a start time under Advanced → Trim and the next 30 seconds are used. For a visual editor, try the iPhone Ringtone Maker.
    Can I convert only part of the MTS?
    Yes. Open Advanced options → Trim and enter a start and end time.
    Will converting MTS to M4R reduce quality?
    Only the sound is kept — the picture is dropped, so the M4R file is far smaller than the MTS video.
    Is this MTS to M4R converter free?
    Yes — completely free with no limits on the number of files, no watermark and no account. The site is supported by ads.
    Are my files uploaded to a server?
    No. The converter runs inside your browser using WebAssembly, so your files never leave your device. That's also why it works for private and confidential recordings.

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    Convert MTS to other formats

    MTS to MP4MTS to MOVMTS to MKVMTS to WEBMMTS to AVIMTS to FLVMTS to WMVMTS to 3GPMTS to M4VMTS to MPGMTS to TSMTS to GIFMTS to MP3MTS to M4AMTS to AACMTS to ALACMTS to WAVMTS to FLACMTS to OGGMTS to OPUSMTS to WEBAMTS to WMAMTS to AIFFMTS to AC3MTS to CAF

    Convert other formats to M4R

    MP3 to M4RM4A to M4RAAC to M4RALAC to M4RWAV to M4RFLAC to M4ROGG to M4ROPUS to M4RWEBA to M4RWMA to M4RAIFF to M4RAC3 to M4RCAF to M4RAMR to M4R3GA to M4RAPE to M4RMP4 to M4RMOV to M4RMKV to M4RWEBM to M4RAVI to M4RFLV to M4RWMV to M4R3GP to M4RM4V to M4RMPG to M4RTS to M4RGIF to M4RVOB to M4RHEVC to M4RRMVB to M4R

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