Video to audio converter

Convert Video to FLAC Online

Extract the sound from a supported video and save it as a lossless FLAC audio file.

Upload video files

Drop one or more video files here, or choose files from your device. Listed video formats are processed on your device.

MP4MOVM4VWEBMMKVAVITSMPEG

What is

What is Video to FLAC?

Convert Video to FLAC Online illustration

Video to FLAC turns the sound from a supported video into a separate FLAC audio file. It is useful when you want the audio from a recording, interview, presentation, lesson, music video, or personal clip without keeping the video.

The page keeps the output set to FLAC, so you can focus on choosing your video, creating the audio, and saving the finished file to your device.

FLAC output is designed for lossless audio storage.

How to

How to convert video to FLAC

  1. Choose your video. Select a supported video from your device or drag it into the upload area.
  2. Check the file. Wait while the video is prepared and make sure it contains the audio you want.
  3. Create the FLAC file. Start conversion and keep this page open while the audio is being prepared.
  4. Preview the result. Listen to the converted audio when a preview is available.
  5. Download your audio. Save the finished FLAC file to your device.

Supported files

Video formats you can use

You can choose common video formats including MP4, MOV, M4V, WEBM, MKV, AVI, TS, MPEG. Support can vary depending on how the original video was created, even when its file extension appears in this list.

If a video cannot be opened, try the original file, confirm that it plays normally on your device, or create a standard MP4 version before trying again.

Common uses

When to convert video to FLAC

  • Save the speech from an interview, meeting, or personal recording.
  • Create an audio-only version of a presentation, lesson, or tutorial.
  • Listen to useful video content without keeping the screen on.
  • Prepare audio for editing, transcription, sharing, or offline playback.

Before converting

Quality and limitations

Converting a video does not improve the quality of its original sound. A clear source generally produces a clearer FLAC file, while quiet, distorted, or heavily compressed audio may retain those characteristics.

Your selected video is processed on your device. This allows you to create the FLAC file without intentionally sending the media file to a remote conversion server.

For large videos, keep the page open and avoid running too many other applications until conversion finishes. Damaged, protected, silent, or unusually encoded videos may not convert successfully.

FAQs

Video to FLAC FAQs

1. What does Video to FLAC do?

It takes the sound from a supported video and creates a separate FLAC audio file that you can save to your device.

2. Which video formats can I use?

You can select common formats such as MP4, MOV, M4V, WEBM, MKV, AVI, TS, MPEG. Support can still vary depending on how the original video was created.

3. Will converting improve the audio quality?

No. Conversion cannot restore detail that is missing from the original sound. The finished FLAC file depends on the quality of the source video.

4. Why is my video not supported?

The file may be damaged, protected, contain no audio, or use a format that cannot be read on your current device. Trying the original file or a standard MP4 version may help.

5. Why can conversion take a long time?

Long and large videos require more processing. Your device speed, available memory, and the way the video was created can also affect conversion time.

6. Does the output download automatically?

No. After the FLAC file is ready, use the download button to save it to your device.