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Convert M4V to OPUS

Extract the audio from M4V videos and save it as OPUS — ideal for voice messages, calls and streaming at low bitrates.

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

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

    How to convert M4V to OPUS

    1. 1

      Tap Choose files and select one or more M4V files (or drag them in).

    2. 2

      Check that OPUS 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 OPUS downloads automatically. Converting several files? Grab them all as a ZIP.

    M4V vs OPUS

    Only the sound is kept — the picture is dropped, so the OPUS file is far smaller than the M4V video.

    M4VOPUS
    Full nameiTunes VideoOpus Audio
    TypeVideoAudio
    CompressionLossyLossy
    Developed byAppleIETF / Xiph.Org
    Introduced20032012
    Plays on iPhone✓ Yes◐ Partly / with an app
    Plays on Android◐ Partly / with an app✓ Yes
    Plays on Windows◐ Partly / with an app✓ Yes
    Plays on Mac✓ Yes✓ Yes

    About M4V and OPUS

    M4V: M4V is Apple's MP4 variant used for iTunes movies and TV shows. Unprotected M4V files are identical to MP4.

    OPUS: Opus is a modern, highly efficient codec used by WhatsApp voice notes, Discord, Zoom and WebRTC calls. It sounds excellent even at very low bitrates.

    Frequently asked questions

    How do I convert M4V to OPUS on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your M4V, make sure OPUS is selected and tap Convert. The OPUS file is saved to your Downloads.
    Will converting M4V to OPUS reduce quality?
    Only the sound is kept — the picture is dropped, so the OPUS file is far smaller than the M4V video.
    Can I convert only part of the M4V?
    Yes. Open Advanced options → Trim and enter a start and end time.
    Is this M4V to OPUS 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 M4V to other formats

    M4V to MP4M4V to MOVM4V to MKVM4V to WEBMM4V to AVIM4V to FLVM4V to WMVM4V to 3GPM4V to MPGM4V to TSM4V to GIFM4V to MP3M4V to M4AM4V to M4RM4V to AACM4V to ALACM4V to WAVM4V to FLACM4V to OGGM4V to WEBAM4V to WMAM4V to AIFFM4V to AC3M4V to CAF

    Convert other formats to OPUS

    MP3 to OPUSM4A to OPUSM4R to OPUSAAC to OPUSALAC to OPUSWAV to OPUSFLAC to OPUSOGG to OPUSWEBA to OPUSWMA to OPUSAIFF to OPUSAC3 to OPUSCAF to OPUSAMR to OPUS3GA to OPUSAPE to OPUSMP4 to OPUSMOV to OPUSMKV to OPUSWEBM to OPUSAVI to OPUSFLV to OPUSWMV to OPUS3GP to OPUSMPG to OPUSTS to OPUSGIF to OPUSMTS to OPUSVOB to OPUSHEVC to OPUSRMVB to OPUS

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