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MTS to FLAC Converter

Convert MTS to FLAC online for free and extract audio from video. Use this converter for music tracks, lectures, interviews, podcast source files, and listening without the video stream.

Converting MTS to FLAC extracts the audio track from the video and discards the visual frames. The result is typically 80–95% smaller than the source MTS file and is suited for music players, podcast apps, or further audio editing.

Drop MTS files here
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Files deleted within 24 hours TLS-encrypted upload No sign-up required Batch convert supported

Max file size 50MB. Sign up for more.

How to Extract FLAC Audio from MTS Video

Pull the audio track from any MTS video and save it as a standalone FLAC file

Upload MTS Video

Select a MTS video file containing the audio you want to extract. Works with music videos, recorded lectures, podcast recordings, or any video with an audio track. There is no need to install editing software — the entire extraction happens in the cloud.

Extract Audio as FLAC

The audio track is separated from the video frames and encoded as FLAC. Video data is discarded cleanly — the resulting file contains only the audio at the selected quality level.

Download FLAC Audio

Download your extracted FLAC audio file — typically 90% smaller than the original video. Ready for music players, podcast apps, or further editing in any audio workstation. Files are deleted from our servers automatically after processing.

Why Convert MTS to FLAC

Lossless Audio Compression

FLAC compresses audio to 50-70% of WAV size while preserving every single bit of the original recording. You get identical quality to uncompressed audio at nearly half the storage cost.

Audiophile Standard

Music enthusiasts and hi-fi listeners choose FLAC because it guarantees bit-perfect reproduction of the master recording. High-end DACs, headphone amps, and speakers reveal the quality difference.

Rich Metadata and Album Art

FLAC supports Vorbis comments for extensive metadata tagging plus embedded album art. Music library managers like Roon, foobar2000, and JRiver display rich information from FLAC tags.

Streaming Service Master Format

Tidal, Amazon Music HD, Apple Music Lossless, and Qobuz all deliver lossless streams based on FLAC encoding. Converting to FLAC gives you the same quality tier used by premium streaming services.

Error Detection Built In

FLAC includes MD5 checksums and frame-level CRC checks that detect any data corruption during storage or transfer. You can verify that your FLAC files remain bit-perfect after copying or downloading.

About the MTS Format

MTS (MPEG Transport Stream) is an AVCHD video file format jointly developed by Sony and Panasonic. It uses the MPEG-2 transport stream container to store H.264/AVC high-definition video along with Dolby Digital or PCM audio. MTS files are the native recording format for many HD camcorders from Sony, Panasonic, Canon, and other manufacturers.

MTS files deliver broadcast-quality HD video at 1080i or 1080p resolution. However, the AVCHD format has limited software compatibility compared to MP4 — many video editors and media players require conversion before the footage can be used. Converting MTS to MP4 preserves the HD quality while making the video universally playable across devices and platforms.

MTS to FLAC FAQ

Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert MTS files to FLAC.

How do I convert MTS to FLAC online?

Upload your MTS video file, choose FLAC as the output format, and download the extracted audio after processing completes.

Why would I convert MTS to FLAC?

People usually convert MTS to FLAC to extract music, lectures, interviews, podcast audio, voice tracks, or background sound from video. FLAC is often chosen when you want lossless audio in a compressed file.

Is MTS to FLAC the same as extracting audio from video?

Yes. In this workflow, the converter keeps the audio track and removes the video stream.

Will the FLAC file be smaller than the original MTS video?

Yes, in most cases. Removing the video stream usually makes the output dramatically smaller.

What audio quality will I get from MTS to FLAC conversion?

Output quality depends on the original audio track in the video and the target format you choose.

Can I batch convert multiple MTS files to FLAC?

Yes. Batch extraction is useful for lectures, interviews, podcasts, and media libraries.

Is it safe to convert MTS to FLAC online?

Yes. This converter uses temporary browser-based processing with automatic cleanup after conversion.

Video-to-Audio Guides for MTS to FLAC Converter

Read practical guides about extracting audio from video, choosing output formats, and handling media compatibility.