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Convert Camera MTS to MP3 Online

Extract audio from camcorder recordings and convert MTS to MP3 in one quick workflow. UniConverter turns large AVCHD video files into lightweight MP3 audio you can play, edit, or share on nearly any device.

For more powerful conversion needs, UniConverter Desktop gives you much more:

  • Convert MTS to MP3 in batch and save time on large files
  • Enjoy up to 130× faster conversion speed
  • Support for 1,000+ audio/video/image formats
  • An all-in-one toolkit including audio editing, enhancement, and more

How to Convert MTS to MP3 Online

upload mkv format file
Step 1

Upload the MTS File

Hit the “Add File” button to add your MTS video to Wondershare UniConverter. This works well for camera recordings and AVCHD files captured on camcorders.

choose mp4 as output format
Step 2

Select MP3 as the Output

Click “Convert to” and select MP3 under the audio category. This provides a universally supported output ideal for listening, sharing, or editing.

download converted mp4 video
Step 3

Convert and Download the Audio

To start the MTS to MP3 conversion, click “Convert.” Wait for a second and click the “Download” button to save the MP3. Your audio is now easy to listen to, share, or edit across platforms.

Understand the Formats: MTS to MP3

MTS
MP3
File Extension .mts .mp3
Full Name MPEG Transport Stream MPEG-1 Audio Layer III
Description MTS is a video container format used by AVCHD camcorders. It stores high-quality video along with audio, but the files are large and mainly suited for editing or archival use. MP3 is a compressed audio format designed for efficient storage and wide compatibility, making it easy to play, share, and store audio across devices.
Primary Content Video + audio Audio only
Associated Programs VLC Media Player, Windows Media Player (with codec support), QuickTime, Adobe Premiere Pro, Final Cut Pro, DaVinci Resolve, Sony Vegas Pro, Corel VideoStudio. VLC, Windows Media Player, iTunes (legacy), Winamp, QuickTime, most browsers, and mobile audio players.
Initial Release 2006 1993 (as part of the MPEG-1 standard)
Developer Sony and Panasonic Moving Picture Experts Group
Typical Source Camcorders, DSLR cameras, and professional video equipment. Music tracks, voice recordings, podcasts, and extracted audio.
File Size Large, due to high-resolution video data. Small, optimized for audio playback.
Compatibility Limited outside video editors and specific media players. Supported by almost all devices, players, and operating systems.
Common Use Cases Video editing, raw footage storage, and professional recordings. Listening, sharing audio, music libraries, and voice playback.
Compression Type Video-based compression Lossy audio compression
MIME Type video/avchd video/mpeg

Key Features of UniConverter’s MTS to MP3 Converter

Whether you need clean audio or dialogue extraction, UniConverter helps convert MTS files to MP3 quickly online or on a desktop, delivering fast performance, flexible settings, and smooth output without complexity.

No Sign-Up & Free Conversion

No registration, no software installation. UniConverter’s online tool runs inside your browser, offering a fast way to convert occasional MTS files to MP3 from any desktop or laptop.

Advanced Audio Customization Options

The desktop version of Wondershare UniConverter offers advanced controls, including codec, bitrate, channels, and sample rate. Customize MP3 output to match storage needs, listening environments, or editing pipelines.

Improve Overall Audio Output

Desktop features enable enhancement for audio captured in less-than-ideal conditions. Reduce unwanted noise, improve clarity, and refine the MP3 before distributing or editing, making it useful when working with camera recordings or raw footage.

Batch Processing for Faster Workflows

The desktop app converts multiple camera clips at once and lets you set the bitrate you need, from standard playback to near-studio quality. Control audio detail based on your device or editing workflow.

Support Multiple Audio and Video Formats

Convert MTS, M2TS, MOV, MKV, AVI, and more other video inputs into MP3 with a single workflow. Ideal for recovering audio from mixed libraries, archived shoots, or field footage.

Safe and Ad-Free Conversion

Perform your conversion without pop-up ads or bundled installers. UniConverter prioritizes safe processing and quick downloads, so you can stay focused on your project without distractions.

FAQs About MTS to MP3 Conversion

To convert an MTS file, use Wondershare UniConverter and select an export option from a wide range of formats, including MP3, MP4, WAV, and FLAC. Upload the MTS file, select the format you need, and convert it online or using the desktop version for more control.
An MTS file is a video format commonly used by AVCHD camcorders and digital cameras. It stores high-quality video and audio, but is primarily designed for recording and editing, which can make playback or sharing difficult on regular devices.
To convert MTS to MP4 on VLC, you need to open VLC Media Player, go to Media, select Convert or Save, add the MTS file, and manually choose MP4 as the output format. If you want a quicker online converter without manual steps, you can use UniConverter instead.
You can play an .mts file using tools like VLC Media Player or dedicated video editing software. For easier playback across devices, you can also convert the MTS file into MP3 for audio or MP4 for video using UniConverter.
Most Android devices do not natively support the .mts file format through the default media player. In your mobile browser, you can use UniConverter to convert the MTS file to a supported format, such as MP3 or MP4, for smooth playback on Android.

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“Wondershare Video Converter is hands down one of the best tools I’ve added to my creative toolkit. It’s fast, easy to use, and incredibly powerful. Whether I need to convert large video files into different formats, compress them without losing quality, or even edit and trim clips, this software handles it all with ease.”

— TG

“I have been using Wondershare UniConverter for many years. It has been one of the best ways to download, screen capture and convert videos. It has been my go to for video download and conversion.”

— Alan Horner

What our customers are
saying about our MTS to MP3 converter

Convert MTS to MP3 Online & Offline

Need to process bigger recordings or entire shoot folders? Download the desktop version for faster performance, noise control tools, and batch MTS to MP3 conversion.
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