Nowadays, lots of people prefer to shot some awesome video clips for their trips, parties or some other things like this to memorize the happiness. Videos can keep every moment, audio and easier to preserve than tons of photos. Well, here also has the question: Can I directly play these AVCHD video clips in iPod, iPhone, or some other commonly used mobile players?
The answer is NO. The video that you shot from your AVCHD Camcorder is in MTS format. Most portable players can't read this format directly. You can't play it freely on your device unless you convert the video from MTS to a friendly format (such as MP4) first on your computer. Actually, there is a quite easy way to convert MTS to MP4 in Mac/Win (Windows 8 included).
How we can convert MTS video to MP4 video?
To convert MTS files to MP4 files, all you need is to get a professional MTS format to MP4 format Converter (Video Converter for Windows (Windows 8 supported) and Video Converter for Mac used in this guide, for example). Then you are able to finish the MTS video to MP4 video conversion keeping the video quality after several simple clicks. Here comes the step by step guide of MTS video to MP4 video conversion in Windows OS:
Note: If you wanna convert MTS to MP4 in Mac (Snow Leopard, Mountain Lion OS X Lion included), you can refer to the guide of Video Converter for Mac for more info.
1 Add MTS video files to the MTS to MP4 converter
Click "Add Video" image button to add your MTS video files, or you can directly drag & drop the MTS video files to the file list. This MTS files to MP4 files Converter Windows allows you to add more files and do batch conversion at a time.

2 Edit (trim, crop, effect, subtitle) MTS video files (Optional)
If there is a need, you can edit your MTS video files by clicking the "Edit Video" image button. You can trim, crop, add effect, watermark and subtitle to your videos.

3 Set the output format MP4 and convert
Choose the output format MP4 for your videos by clicking the device image button, to find "Common Video > MP4" (MC). Then you can click "Start" to convert MTS file to MP4 file right away.
Alternatively, click to watch the step-by-step video tutorial below.
Tip:
There are also other two kinds of MP4 formats, MP4 (Xvid) and MP4 (AVC). Actually you can get higher output quality with MP4 (AVC) and MP4 (MC), and MP4 (MC) format is recommended for playback on portable devices. If you want smaller files, you can choose MP4 (Xvid).
Also, if you want to merge the video clips into one file, you just need to check the box before the "Merge into one" button at the bottom of the MTS to MP4 Video Converter (Windows 8 supported) before you "Start" the conversion.
Further Reading:
Convert MP4 to Xvid: Convert MP4 file to Xvid format, so you can play MP4 files on any Xvid compatible media players.
Convert MP4 to QuickTime: If you have trouble in playing MP4 in QuickTime, one of the doable solutions is to convert MP4 to QuickTime with an intuitive MP4 to QuickTime converter.
Encode MP4 Files: Encode MP4 files for watching on MP4 players or editing on MP4 editing apps etc.
Convert MP4 to MP3: How to convert MP4 to MP3 in Mac/Windows with this easy-to-use mp4 to mp3 converter.
Burn MP4 to DVD : Learn how to burn MP4 videos to a professional-looking DVD disc in a few clicks.







