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Convert FLV to M4R

Extract the audio from FLV 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 FLV to M4R

    1. 1

      Tap Choose files and select one or more FLV 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.

    FLV vs M4R

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

    FLVM4R
    Full nameFlash VideoiPhone Ringtone (AAC)
    TypeVideoAudio
    CompressionLossyLossy
    Developed byAdobeApple
    Introduced20022007
    Plays on iPhone✕ No✓ Yes
    Plays on Android◐ Partly / with an app✕ No
    Plays on Windows◐ Partly / with an app◐ Partly / with an app
    Plays on Mac✕ No✓ Yes

    About FLV and M4R

    FLV: FLV is the Flash Video format that powered early YouTube. Flash is gone, so FLV files usually need converting to play today.

    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 FLV to M4R on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your FLV, 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 FLV?
    Yes. Open Advanced options → Trim and enter a start and end time.
    Will converting FLV to M4R reduce quality?
    Only the sound is kept — the picture is dropped, so the M4R file is far smaller than the FLV video.
    Is this FLV 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 FLV to other formats

    FLV to MP4FLV to MOVFLV to MKVFLV to WEBMFLV to AVIFLV to WMVFLV to 3GPFLV to M4VFLV to MPGFLV to TSFLV to GIFFLV to MP3FLV to M4AFLV to AACFLV to ALACFLV to WAVFLV to FLACFLV to OGGFLV to OPUSFLV to WEBAFLV to WMAFLV to AIFFFLV to AC3FLV 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 M4RWMV to M4R3GP to M4RM4V to M4RMPG to M4RTS to M4RGIF to M4RMTS to M4RVOB to M4RHEVC to M4RRMVB to M4R

    Helpful tools

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