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The download is 16-bit FLAC. The sample rate is kept. Cover art is left out. Conversion stays in this browser.

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Convert audio to FLAC

Convert audio to 16-bit FLAC in your browser. No signup, the sample rate is kept, and the file stays on your device.

What is a FLAC converter?

FLAC is a lossless music format. This page writes a 16-bit FLAC file from WAV, MP3, M4A, AIFF, OGG, Opus, or an existing FLAC, and keeps the sample rate.

FLAC converter features

Save audio as a 16-bit FLAC file.

  • Audio to FLAC

    Upload WAV, MP3, M4A, AIFF, OGG, Opus, or FLAC and download a .flac file.

  • 16-bit FLAC

    The download is 16-bit. A higher bit depth is written at 16 bits.

  • Sample rate kept

    The sample rate and channel count of the source are kept.

  • Browser-side conversion

    The audio stays on your device. No account is required.

How to convert audio to FLAC

Three steps from an audio file to FLAC.

  1. Add the audio

    Drop a WAV, MP3, M4A, AIFF, OGG, Opus, or FLAC file.

  2. Convert to FLAC

    Click Convert to FLAC. The file is written as 16-bit FLAC.

  3. Download the FLAC

    Save the .flac file.

Tips for converting to FLAC

What this converter keeps from the audio file.
  • 01

    FLAC is lossless from this encode

    The 16-bit audio written here is stored without a second lossy encode.

  • 02

    A lossy source stays lossy

    An MP3 or AAC file does not gain detail when it is saved as FLAC.

  • 03

    Cover art stays behind

    Pictures attached to the audio file are left out.

Good uses for a FLAC converter

When you need a FLAC music file.

  1. Make a FLAC file: Turn WAV, MP3, or another audio file into .flac.

  2. Save 16-bit audio: The download is 16-bit FLAC.

  3. Keep the sample rate: 44.1 kHz stays 44.1 kHz. 48 kHz stays 48 kHz.

Why convert to FLAC here

A local conversion to 16-bit FLAC.

  • No signup

    Convert audio without an account.

  • Stays on your device

    Encoding runs in the browser.

  • A .flac file

    The download is 16-bit FLAC.

Technical details

How this FLAC conversion works.
Input
WAV, MP3, M4A, AAC, AIFF, OGG, Opus, or FLAC up to 200 MB.
Output
A 16-bit FLAC file. The sample rate and channel count are kept.
What is left out
Cover art is not copied. Bit depth above 16 bits is written at 16 bits.
Where it runs
FFmpeg encodes the file in the browser. The audio is not uploaded for conversion.

Sources & References

A reference for the FLAC file this converter writes.
  • “Digital audio compressed by FLAC's algorithm can typically be reduced to between 50 and 70 percent of its original size and decompresses to an identical copy of the original audio data.”
    — Wikipedia — FLAC

    FLAC: The download is that format, written as 16-bit audio at the source sample rate. en.wikipedia.org/wiki/FLAC

Frequently Asked Questions

Quick answers about this tool—open a question to read more.