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WAV to FLAC

Convert WAV to FLAC.

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Tool guide

Free Online WAV to FLAC Converter

Convert one WAV file into losslessly compressed FLAC directly in your browser. This can reduce the size of supported PCM audio without using a lossy output codec, although the exact result depends on the audio stored inside the WAV container.

Illustration showing a WAV audio file converted into the FLAC format

Steps

How it works

  • Choose one WAV file up to 150 MB.
  • Preview the WAV and review its detected duration.
  • Decode the supported WAV audio and encode it with FFmpeg's FLAC encoder.
  • Preview and download the finished FLAC file.

Highlights

Key features

  • Validates WAV input before conversion.
  • Uses the lossless FLAC codec with FFmpeg's default encoder settings.
  • Names the FLAC output from the original WAV filename.
  • Shows browser-processing progress, audio previews, duration, and output size.
  • Avoids a lossy destination codec for supported source audio.

Use cases

Common uses

  • Reduce storage used by supported uncompressed WAV recordings.
  • Archive PCM audio in a losslessly compressed format.
  • Prepare a WAV source for a FLAC-compatible music library.
  • Move supported WAV audio into a lossless editing or delivery workflow.

Notes

Limitations to know

  • Only one WAV is processed per run; batch, bulk, multiple-file, and ZIP conversion are not available.
  • WAV is a container and can hold codecs other than PCM, which may not decode successfully.
  • There are no FLAC compression-level, sample-rate, bit-depth, or channel controls.
  • Bit-perfect preservation is not guaranteed because source parameters are not explicitly mapped or verified.
  • Metadata and embedded artwork are not explicitly transferred, and a smaller output size is not guaranteed.

FAQ

Frequently asked questions

5 answers
Is WAV to FLAC lossless?

FLAC encoding is lossless. For supported PCM WAV audio it can preserve decoded audio without lossy compression, but this tool does not verify a bit-perfect parameter match.

Will the FLAC always be smaller?

No. FLAC often reduces the size of uncompressed PCM WAV audio, but savings depend on the source content and WAV codec.

Are sample rate and bit depth preserved?

FFmpeg chooses the compatible output parameters automatically. The interface does not expose or verify sample-rate, bit-depth, or channel preservation.

Can I convert multiple WAV files at once?

No. This converter accepts one WAV file per run, up to 150 MB.

Why might a WAV file fail?

The file may be damaged or may contain an internal codec that the browser FFmpeg build cannot decode.

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