Free • Secure • Fast

MTS to MP4 Converter — Fast & Free Online

MTS to MP4 converts AVCHD camcorder .mts files into widely compatible H.264/AAC MP4 while keeping video quality and reducing playback issues.

100% Free
Secure & Private
Fast Conversion
No Registration
Convert MTS to MP4 Now

Source
Drag and drop files here or click to browse

Drop your file here, or click to browse

Supports all major formats

Up to 50 MB (free)BATCH SUPPORT
1CONVERTER Media Team - 1CONVERTER Team Logo
1CONVERTER Media Team·Audio & Video Specialists·
Official
format_quote

How MTS to MP4 Conversion Works

MTS file (MTS) stores data in the MTS format. MPEG-4 Part 14 Video (MP4) packages H.264 or H.265 video with AAC audio in a container format widely supported across every platform and device. This conversion changes the file's encoding, compression method, and supported feature set. When the source codecs already match the target container the streams are copied without re-encoding (zero quality loss); otherwise the video is re-encoded at a configurable quality. The result is a standard MP4 file readable by any compatible application. 1converter handles MTS-to-MP4 conversion server-side: files are uploaded over HTTPS, processed on isolated cloud infrastructure, and the converted output is available for download for 24 hours before automatic deletion. No account is required for standard conversions.

How to Convert MTS to MP4

Follow these simple steps to convert your MTS files to MP4 format in seconds

1

Step 1

Upload your .mts (AVCHD) file to the converter

upload
2

Step 2

Select MP4 as the output format and keep the default H.264/AAC profile

tune
3

Step 3

Choose resolution/bitrate if you want smaller files or faster playback

bolt
4

Step 4

Start conversion and wait for the MP4 to be generated

cloud_done
5

Step 5

Download the MP4 and verify audio sync and playback on your target device

verified

Average conversion time: Less than 2 minutes

Visual Conversion Preview

mts

Source file

Size:2.4 MB
Format:MTS
bolt

Converting...

mp4

Output file

This visualization shows the typical conversion process from MTS to MP4 format, including expected size reduction and quality retention.

tune

Choose Your Conversion Quality

Select the perfect balance between quality and file size for your MTS to MP4 conversion

bolt

Low Quality

Smallest file, basic quality

File Size:Very Small
Speed:Very Fast
Quality Level
Recommended
tune

Medium Quality

Balanced size and quality

File Size:Medium
Speed:Fast
Quality Level
target

High Quality

Larger file, great quality

File Size:Large
Speed:Moderate
Quality Level
workspace_premium

Maximum Quality

Largest file, best possible quality

File Size:Very Large
Speed:Slow
Quality Level

tips_and_updatesQuality Selection Tips

When to use Low/Medium:

  • •Web uploads and social media sharing
  • •Email attachments with size limits
  • •Quick previews and thumbnails

When to use High/Maximum:

  • •Professional printing and publishing
  • •Archive and long-term storage
  • •When quality is more important than size

Video Tip: Medium quality is ideal for web streaming. Use High or Maximum for videos you plan to edit further or archive.

Why Convert MTS to MP4?

Discover the advantages of converting your MTS files to MP4 format

auto_awesome

Plays reliably on phones, tablets, and browsers that expect MP4 containers

auto_awesome

Usually reduces file size by using efficient H.264 encoding inside MP4

auto_awesome

Keeps the same visual stream from AVCHD/MTS without re-editing artifacts

auto_awesome

Makes sharing easier because MP4 supports standard streaming and downloads

auto_awesome

Better compatibility with common NLE imports compared to many MTS setups

Additional Features

169+
Supported Formats
<2 min
Average Time
24/7
Available
videocam

Popular Use Cases

See how professionals use our MTS to MP4 converter in real-world scenarios

1

Exporting AVCHD camcorder footage for YouTube or social platforms

Convert MTS to MP4 for this purpose quickly and easily.

videocam
2

Creating an MP4 master for editing in tools that prefer MP4 timelines

Convert MTS to MP4 for this purpose quickly and easily.

videocam
3

Archiving vacation recordings from MTS onto devices with limited codecs

Convert MTS to MP4 for this purpose quickly and easily.

videocam
4

Converting dashcam or action-cam MTS clips for offline viewing

Convert MTS to MP4 for this purpose quickly and easily.

videocam
5

Sending footage to clients who can’t open MTS container files

Convert MTS to MP4 for this purpose quickly and easily.

videocam

Trusted by Professionals In

code
Web Development
palette
Graphic Design
edit_note
Content Creation
business_center
Business
format_list_bulleted

Frequently Asked Questions

Everything you need to know about converting MTS to MP4

It depends on the chosen bitrate/codec settings. If you keep a similar or higher bitrate and use H.264, the quality is typically maintained while improving compatibility.
MTS is commonly the AVCHD transport/container used by camcorders, while MP4 is a widely supported container that often stores H.264 video with AAC audio.
Audio tracks can be preserved depending on what’s present in the original MTS. Subtitles are only kept if they exist in a compatible form for the conversion output.
MP4 is supported by most media players and streaming workflows, while MTS often requires specific codecs or devices that understand AVCHD containers.

Still Have Questions?

Our support team is here to help you with any questions about MTS to MP4 conversion.

Contact SupportView All FAQs
bolt

Related Conversions

Explore other popular file conversion options

Can't Find Your Conversion?

We support 169+ file formats. Browse our complete list of conversions or start converting now!

Start ConvertingView All Formats