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Convert FLAC to M4R

Turn any FLAC into a real iPhone ringtone. M4R files are AAC audio, cut to the 30-second limit iOS accepts.

  • 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 FLAC to M4R

    1. 1

      Tap Choose files and select one or more FLAC 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.

    FLAC vs M4R

    M4R uses lossy compression, which makes the file much smaller than FLAC. Choose High quality and the difference is inaudible for most listeners.

    FLACM4R
    Full nameFree Lossless Audio CodeciPhone Ringtone (AAC)
    TypeAudioAudio
    CompressionLosslessLossy
    Developed byXiph.OrgApple
    Introduced20012007
    Plays on iPhone✓ Yes✓ Yes
    Plays on Android✓ Yes✕ No
    Plays on Windows✓ Yes◐ Partly / with an app
    Plays on Mac✓ Yes✓ Yes

    About FLAC and M4R

    FLAC: FLAC is an open lossless format that shrinks audio to 50–60% of WAV size without losing any quality. It is the favourite format of audiophiles and hi-res music stores.

    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 FLAC to M4R on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your FLAC, 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.
    Will converting FLAC to M4R reduce quality?
    M4R uses lossy compression, which makes the file much smaller than FLAC. Choose High quality and the difference is inaudible for most listeners.
    Is this FLAC 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 FLAC to other formats

    FLAC to MP3FLAC to M4AFLAC to AACFLAC to ALACFLAC to WAVFLAC to OGGFLAC to OPUSFLAC to WEBAFLAC to WMAFLAC to AIFFFLAC to AC3FLAC to CAF

    Convert other formats to M4R

    MP3 to M4RM4A to M4RAAC to M4RALAC to M4RWAV 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 M4RMTS to M4RVOB to M4RHEVC to M4RRMVB to M4R

    Helpful tools

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