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ConvertAnyVideo

MTS to FLAC Converter

Extract the audio from MTS videos and save it as FLAC. Pick the bitrate, trim the start and end, and download in seconds.

or drop files here

Up to 1 GB per file · Files never leave your device

  • 100% free
  • No sign-up
  • No upload — private
  • No watermark

How to convert MTS to FLAC

  1. Add your MTS files

    Click “Choose Files” or drag and drop your MTS videos onto this page.

  2. FLAC is selected

    The output is already set to FLAC. Open Advanced settings if you want to change the bitrate or trim the audio.

  3. Convert and download

    Click Convert. Your FLAC file is ready in moments — nothing is uploaded.

About the formats

MTS

AVCHD Video

MTS (AVCHD) is recorded by many Sony and Panasonic camcorders. It is high quality but not supported by many players and phones.

FLAC

Free Lossless Audio Codec

FLAC compresses audio without losing any quality. It is the favourite format of audiophiles and music archives.

Frequently asked questions

How do I convert MTS to FLAC?

Click “Choose Files” and select your MTS file (or drag it onto the page). FLAC is already selected as the output, so just click Convert and download your FLAC file when it’s ready.

Will the audio quality change?

FLAC is lossless, so the sound is saved exactly as it is in the video.

Is it safe to convert MTS files here?

Yes. Conversion runs inside your own web browser, so your files are never uploaded to our servers or anyone else’s. Nobody can see them, and nothing is stored after you close the tab.

Is the MTS to FLAC converter free?

Yes, it’s completely free. There’s no sign-up, no watermark and no limit on how many files you convert. Each file can be up to 1 GB.

Can I convert several MTS files at once?

Yes. Add as many MTS files as you like and convert them in one go, then download them one by one or together as a ZIP file.

Convert MTS to other formats

Convert other formats to FLAC