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How to Convert MTS to MP4 on Mac/Windows in HD Quality

by Christine Smith • 2024-01-11 10:28:24 • Proven solutions

"How do I convert MTS to MP4?"

Nowadays, lots of people prefer to shot some awesome video clips for their trips, parties, etc, to memorize the happiness. However, most of the AVCHD video clips are in MTS format which is usually encrypted. You can't directly play them on iPod, iPhone, or some other mobile players until you convert MTS to MP4. This article will provide you the best MTS to MP4 converter for Windows/Mac and the top 3 ways to convert MTS to MP4 online so that you can simply convert your MTS files to any commonly-used video formats for almost any devices, and then play your MTS videos without any trouble.

Part 1. Best MTS to MP4 Converter for Windows/Mac

To convert MTS files to MP4 files, all you need is to get a professional MTS to MP4 converter like Wondershare UniConverter (originally Wondershare Video Converter Ultimate). It supports over 1000 video and audio formats for conversion including MTS, MP4, MOV, AVI, MKV, WMV, etc. You can edit your MTS files before conversion with trimming and cropping unwanted parts, adding watermarks, applying effects, and more others. Compressing MTS video size without losing quality is also allowed here which will help you save much space for your devices. This all-in-one MTS to MP4 converter also has additional functions like video downloading, DVD burning, video transferring, etc.

Wondershare UniConverter

Security Verified. 5,481,347 people have downloaded it.
  • Convert MTS to MP4, AVI, MKV, MOV, and other 1000+ formats on Windows/Mac
  • Compress MTS video size without losing any quality
  • Edit MTS videos with advanced video editing features including trim, crop, apply the effect, add subtitle
  • Burn MTS videos to DVD and play on your DVD player with free menu templates
  • Download or record videos from 10,000+ video sharing sites
  • Industry-leading APEXTRANS technology converts videos with zero quality loss or video compression
  • Versatile toolbox combines video metadata editor, GIF maker, video compressor, and screen recorder

Steps on How to Convert MTS to MP4 on Windows 10 Easily

Before starting the conversion process, you need to download and install Wondershare UniConverter on your PC/Mac first. It's free to download and easy for installing, just choose your right version and follow the simple steps listed no matter on Windows or Mac.

Step 1 Add MTS videos to Wondershare MTS to MP4 converter.

Launch Wondershare UniConverter and click the add files icon in Wondershare UniConverter button to add your MTS video files, or you can directly drag & drop the MTS files to the software interface. Multiple files can be added here for batch conversion.

add MTS to MP4 converter

Step 2 Edit MTS videos. (Optional)

If you need, you can edit your MTS videos by clicking the editing buttons under the thumbnail of the imported video. You can trim, crop, add effects, watermarks and subtitles to your videos.

edit MTS videos

  • Trim: Drag the two sliders to select the segment you want, and then click the scissor icon and the OK button. In this way, you can cut off any clip you don't want.
  • Crop: Drag and drop a dotted rectangular box to choose any screen area of the video. Immediately, the selected video area will be enlarged in the preview window.
  • Effect: Offer you a lot of cool effects that you can apply to the video.
  • Watermark: Add image or text watermarks to personalize your video.
  • Subtitle: Adding subtitle files is available in this program.

Step 3 Set the output format as MP4.

Click the down-arrow button beside the Output Format: option, then select the Video tab to choose the MP4 in the left sidebar and select the video resolution from the right section.

select MP4 as MTS output format

Step 4 Convert MTS to MP4 easily.

After all settings have be done, click on the Start All button to start converting MTS to MP4 with zero quality loss on Windows/Mac. Get the converted MP4 files from the Finished tab, and you can transfer these MP4 videos to your iPhone/iPad/Android devices by clicking on the Toolbox > Transfer button.

start MTS to MP4 conversion


If you want to find more details on converting MTS videos to MP4 on Mac version, then you can move to How to Convert MTS to MP4 Mac >> to learn more.

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Part 2. Top 3 MTS to MP4 Free Online Converters

If you don't want to download or install any software on your PC/Mac, you can use the free online MTS to MP4 video converters list below. However, online converters ask you to connect with the internet, and only support uploading small files under 100MB usually. So, if you can accept these general shortcomings, choose the one you like. Or using Wondershare UniConverter desktop.

2. Online-convert

Online-converter is another online video converter for you to convert MTS files to MP4 format online and free. It also supports the most popular video and audio formats for conversion. You can convert MTS files to MP4, MOV, WMV online within several simple steps. The web page is free to use but with ads on it. Have a quick review of its conversion steps.

Step 1: Open from your browser on PC/Mac, click the Choose File button on the interface to add MTS files.

Step 2: You're allowed to change the conversion settings at the Optional Settings window below.

Step 3: Hit the Start conversion button to start converting MTS to MP4 online using

MTS to MP4 online converter

3. Online Convert

The last one online MTS converter recommended here is Online Convert, which supports an array of video formats for converting online. You can easily convert MTS files with simple steps. Like, you can also see the ads displayed on the interface, and the interface seems not so friendly. Learning the simple steps below to convert MTS to MP4 online using Online Convert.

Step 1: Open Online Convert by pasting to your browser.

Step 2: Next, tap on the small Choose file button you can see to choose an MTS file for conversion.

Step 3: Finally, click on the Convert button to convert MTS videos online. The conversion process may take you some time.

MTS to MP4 online

Part 3. MTS vs MP4: Which One Is Better

File Extension
Video File
Video File
MTS is a high-definition MPEG, AVC, video format. It is for digital camera recorders or Advanced Video Codec High Definition (avchd). It is often used by Sony, Canon, Panasonic, etc. MP4 is a container format used to store video, audio, and subtitles data. Since stores like iTunes uses this container format, it is used with iPod and PlayStation (PSP). It becomes a popular format.
Associated Programs
Apple QuickTime Player
Apple iTunes
Windows Media Player
Developed by
Moving Picture Experts Group
Useful Links
Detailed information on the MTS file format Detailed information on the MP4 file format
How to Convert and Burn MP4 to DVD
How to Play MP4 on Galaxy S4
How to Add Subtitles to MP4 Files
How to Convert MP4 to iPad (iPad Air included)

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* Some of the above codec formats may need to be supported by system.

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Christine Smith

Christine Smith

chief Editor

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