Fast Ways to Convert MTS to MP4 without Losing Quality

Peter William
July 01, 2022 Preview 10.8K Preview 0
share it facebook share it Twitter

MTS is a video format taken by high-definition cameras such as Sony, Canon, and Panasonic. It goes down well with ordinary households due to the wide use of digital cameras. MTS usually adopts AVC high-definition coding, which can produce high-quality video outputs, but in large size, and low compatibility than the traditional formats like MP4. Well, our goal in this article is to show you exactly how to convert MTS to MP4 on Mac and Windows.

Batch Convert MTS to MP4 without Losing Quality

Cisdem Video Converter is a fantastic MTS/M2TS to MP4 converter that enjoys a good reputation in this field. It can also convert among other 300 plus formats (4K included), like WebM to MP4, MTS to MOV, AVCHD to MP4, MP4 to MP3, AVI to MOV, FLV to WMV, and so on. All are done within an attractive and minimalist interface.

Not only can it serve as the best MTS to MP4 converter for Mac, but it also works well on ripping DVD to videos and downloading online videos from main video streaming sites.

Free Download   Free Download

How to convert MTS to MP4 without losing quality on Mac:

Step 1 - Add MTS files to the Mac converter

When finish installing the best MTS to MP4 converter on your Mac, run it and go to the main interface.

Import the MTS files that you want to convert to the program. You can add files in batches to the program.

add mts files mac

Step 2 - Select an MP4 target file format

Click on the format icon> "General Video"> "MP4 Video" or “MP4 HEVC Video”. If you want to convert MTS to iPhone, iPad, Samsung, etc. supported MP4 format, just choose the corresponding device in the menu.

choose mp4

tips: If it's your first time using the converter, then the "MP4 Video" option has been made as output to the default.

To allow videophiles to get more experiments, the converter offers advanced settings to make adjustments of video codec, frame rate, bit rate, resolution, etc. Just go ahead by clicking the "gearwheel" icon beside the MP4 format.

advanced settings

Step 3 - Customize output MP4 videos (Optional)

This MTS files to MP4 converter for Mac compasses some video editing features. Click the button and edit videos by trimming, cropping, adding watermarks & subtitles, etc.

edit videos

Tips:If you have some MTS files from some old camcoder, you may found that some of the videos may have blurring lines and pixelation appearing in the borders of people and objects, this is because MTS files are normally AVCHD files, which is 1080i, to remove the blurring lines you need to deinterlace it. With Cisdem Video Converter you can easily remove this by go to Effects >> Enable Deinterlacing.

Step 4 - Start batch converting MTS to MP4 on Mac

Hit the conversion icon button on the lower right side corner of the window to get the batch conversion started.

create mp4 from mts mac without losing quality

Free Download   Free Download

Convert MTS to MP4 with VLC

VLC is a portable open-source multimedia player made by VideoLAN. Most types of media files (including CDs, DVDs, streaming protocols, etc.) imaginable can be opened on VLC. Digging deeper, it has a more absorbing feature – converting video. It holds the ability to convert plentiful formats, with no exception of convert MTS to MP4 for free.


  1. Free
  2. Playing MTS file on Mac


  1. Can’t convert MTS files in bulk
  2. Unable to save as 4k file
  3. May fails to convert very large-sized MTS files.

Steps to convert MTS to MP4 with VLC:

  1. Install and open the VLC .
  2. Click the “File” menu and select “Convert / Stream…” from the drop-down menu.convert/stream option vlc
  3. Click the “Open media…” button to add the MTS video.
  4. In the profile section, the target format – “H.264 + MP3 (MP4)” should already be set by default.
  5. Click “Customize”. Under the "Audio Codec" tab, place a checkmark into the box next to "Keep original audio track".keep original audio track option vlc
  6. Hit “Save as File” > “Browser”. Name the file and choose where you desire to save the converted MP4 file.convert mts to mp4 mac vlc
  7. Save your operations.

You will find that the converted file is in M4V format, not MP4. You only need to change the extension .m4v to .mp4. Step 5 is very important. If this step is missing, the changed MP4 file won’t be opened on the Mac.

Convert MTS to MP4 with Handbrake

Handbrake is a cross-platform MTS to MP4 converter for Mac powered by Eric Petit. It's able to transcode video files and rip DVDs to MP4, MKV, Apple devices, Android, Roku, Xbox, Chromecast, etc. The app also helps reset the MTS video & audio parameters, dimensions, and filters before converting it to MP4 on Mac. But since 2006, HandBrake seems to have stagnated without innovation and progress.


  1. Free
  2. Allow batch MTS files conversion in a queue
  3. Extract video from DVD and Blu-Ray


  1. Only convert MTS to MP4 or MKV (two formats supported
  2. Unfriendly user interface. Many configuration options confuse new users.
  3. Slow conversion speed

Steps to convert MTS to MP4 Mac via Handbrake:

  1. Have Handbrake installed from the developer website, and install it.
  2. After opening the software, a window will automatically pop up to let you add MTS files locally from Mac. If not, click “Open source” to add the file.main interface of handbrake
  3. Choose the destination video format as MP4.
  4. At the bottom of the interface, press “Browse…” to select the folder to save the converted MP4.
  5. Click the “Start” button to begin the conversion process using the Handbrake MTS file converter for Mac.convert mts to mp4 mac handbrake

Convert MTS to MP4 Free Online

Option 1. is an integrated file converter. Besides converting MTS to MP4 online, it's capable of converting archive, document, presentation, eBook, drawing, image, etc. as well. But unfortunately, the maximum upload file size of this free online MTS converter is 250 MB. Once exceeded, an error will occur during the upload process.


  1. No installation required
  2. Do the conversion between various formats


  1. Unable to convert multiple MTS file simultaneously
  2. Can’t upload video larger than 250MB
  3. The final MP4 file merely can be downloaded after many clicks

How to convert MTS to MP4 on Mac with online

  1. Go to website.
  2. Click the “Browse” button to add a local MTS file.
  3. Set “MPEG-4 Video File (.mp4)” or H.265/HEVC Video File (.mp4)” as the output format.upload mts file mac
  4. (Optional) Enter your email address to receive the download link.
  5. Click “Convert” and wait for uploading.
  6. Click the link to go to the download page.go to the download page
  7. Right-click the download link and choose “Save Link As” to download the MP4 mts to mp4 online

Option 2. is another convenient web-based tool to convert MTS to MP4 on Mac free. You can upload MTS videos from your Mac, Google Drive, Dropbox, or a link. Although it enables you to add multiple MTS videos, the conversion progress is pretty long, and may even fail in the end. 


  1. Support 200+ formats
  2. Powerful API
  3. Offers multiple setting for you to control video resolution, quality and file size.


  1. Need to subscribe to upload videos over 1GB
  2. Take long to convert long video files

How to convert MTS to MP4 online using

  1. Visit
  2. Click “Select File” to Add the MTS video.add mts file mac
  3. Select MP4 as the destination format.choose mp4
  4. (Optional) Click the “wrench” icon to open the “Options” window and customize the video parameters.
  5. Convert MTS video to MP4 on Mac by clicking the red “Convert” button.
  6. Download the MP4 file.change mts file to mp4 online

Questions and Answers

1. What is MTS video format?

Full name MPEG Transport Stream
Extension .mts
Video compression MPEG-4 / H.264
Audio compression Dolby AC-3 codec (or uncompressed LPCM audio)
Supported audio track Stereo, 5.1 surround
Supported resolution 720p, 1080p, and 1080i
Contained by Blu-ray Disc, AVCHD

You may not be able to distinguish the relationship between AVCHD, MTS, and M2TS. In fact, AVCHD file includes MTS and M2TS. We typically refer to AVCHD videos stored on the camcorder as MTS (.mts). For AVCHD videos edited on a computer or created from a Blu-ray disc, we will name them M2TS (.m2ts).

2. Why convert MTS to MP4: MTS VS MP4

  MTS (or M2TS) MP4 Winner
File size Over-large file size Smaller size MP4
Compatibility Supported by several recording media devices, Blu-ray disc format and v.Color technology Compatible with almost any media network, player, device, etc. MP4
Video quality 1080p 50p/60p with the maximum bitrate of 28 Mbit/s 1080p at 60 frames per second MTS (or M2TS)
Popularity Used among camcorders, HDTV sets, Blu-ray discs, etc. Used on mobile phones, computers, video editors, etc. MP4 (more commonly-used)

Compared with MTS (or M2TS), MP4 occupies an absolute advantage in file size, compatibility, and popularity. Therefore, people intend to convert MTS file to MP4 on Mac for much space on Mac and easy playback. Moreover, the video quality of MP4 file is relatively high as well.

3. Using FFMPEG to Remoux MTS to MP4 instead of Converting 

Of course, you can!

FFMPEG is an open-source and formidable project for formats transcoding. It’s able to convert a bunch of MTS files in a folder to MP4 format. However, it's a tool completely for technicians. If you are not familiar with the command line, you won't know how to use it.

The installation of FFMPEG is also a hassle. You have to install FFmpeg using package manager - Homebrew in Terminal. But Homebrew is not compatible with many old Mac systems.

All in all, if you are not a developer or a tech nerd, we don't recommend you to make a conversion from MTS files to MP4 with FFMPEG.

4. How to open MTS files on Mac?

Based on our test, there is no problem playing MTS file on Mac. The Mac’s default player, QuickTime, supports the MTS format. Also, you can use other free MTS players for Mac, such as VLC and Cisdem Video Player.


As you can see, it is so simple to convert MTS to MP4. Above we respectively introduced the professional app, freeware, and online converters. The first one ensures to convert MTS files on Mac without losing quality. The other two are totally free to use on Mac and Windows. It's your turn to make your own choice now!

Peter William
share it facebook share it Twitter

Peter has always had great enthusiasm for writing, programming and web development. He likes writing about software and technology, his works are featured on some tech blogs or forums like Tom's Hardware, CNET, etc.

share it facebook share it Twitter
Comments (0) Leave a Reply

Name *

Comment *

Hot Articles

3 Easy Ways to Convert YouTube to AVI (4K Videos Included) How to Download Niconico Videos, Even If Over 2 Hours 6 Quick Ways to Convert AIFF to MP3 on Mac (Incl. Free)
Home > Fast Ways to Convert MTS to MP4 without Losing Quality