ChangeMyFile - Free Online File ConverterChangeMyFile
Trusted by thousands of users worldwide

Convert 3GP to MTS - Upgrade Mobile Videos to HD Format

Transform old mobile phone recordings into HD-compatible AVCHD video format.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

Read Terms of use before using

Share:fXin@
500+ Formats
Lightning Fast
100% Secure
Always Free
Cloud Processing

Why Upgrade 3GP Videos to MTS?

3GP files were the standard for mobile phone videos in the early 2000s. If you have old recordings from that era, they are likely small, low-resolution files that do not work well with modern video editors or HD displays.

Converting to MTS (AVCHD) gives your footage a container format designed for high-definition workflows. Video editing software like Adobe Premiere, Final Cut Pro, and Sony Vegas handle MTS files natively. Blu-ray authoring tools also expect this format. In our testing, converting 3GP to MTS before importing into professional editors eliminates codec compatibility warnings and ensures smooth timeline playback.

How to Convert 3GP to MTS

  1. Upload your 3GP file - Drag and drop or browse to select your mobile video
  2. Select MTS as output - Choose the AVCHD-compatible MTS format
  3. Download your video - Get your upgraded file ready for editing or playback

The entire process happens in your browser. No software installation required, and your files stay private.

3GP vs MTS: Technical Differences

Understanding what changes during conversion helps set the right expectations:

  • Container format - 3GP uses 3GPP container optimized for mobile; MTS uses MPEG Transport Stream for HD video
  • Typical resolution - 3GP files are usually 176x144 to 352x288 pixels; MTS supports up to 1920x1080
  • Video codec - 3GP commonly uses H.263 or MPEG-4 Part 2; MTS uses H.264/AVC
  • Audio - 3GP uses AMR audio; MTS supports Dolby Digital AC-3 and AAC
  • Compatibility - 3GP works on old phones; MTS works with HD camcorders, editors, and Blu-ray players

Converting does not magically increase resolution, but it repackages your video in a format that modern software expects.

When to Use This Conversion

Video Editing Projects

Professional video editors work best with standardized formats. If you are compiling old mobile footage into a documentary or family archive, converting to MTS first streamlines your workflow. The editing software treats it as native camcorder footage.

Archiving Old Recordings

3GP is an aging format that fewer devices support each year. Converting to MTS future-proofs your memories in a widely-supported HD container. If you have videos from 3GP sources worth preserving, this conversion ensures long-term accessibility.

Blu-ray Disc Creation

Authoring Blu-ray discs requires AVCHD-compatible input. MTS files import directly into Blu-ray authoring software without additional transcoding steps.

Quality Expectations

Be realistic about what conversion can achieve. Your original 3GP video was recorded at low resolution with heavy compression. Converting to MTS will not add detail that was never captured.

What conversion does accomplish:

  • Repackages video in a modern, widely-compatible container
  • Upgrades audio to higher-quality codec
  • Makes footage compatible with HD editing workflows
  • Preserves the original quality without further degradation

For genuinely higher quality, you would need to record new footage. But for preserving existing recordings in a better format, 3GP to MTS conversion is the right choice.

Alternative Conversions

MTS is ideal for editing and Blu-ray workflows, but other formats may suit different needs:

  • 3GP to MP4 - Better for general sharing and web playback
  • 3GP to MOV - Preferred for Apple ecosystem and Final Cut Pro
  • 3GP to AVI - Compatible with older Windows applications

Choose MTS specifically when your goal involves professional editing software or Blu-ray authoring.

Works on Any Device

Our converter runs entirely in your browser:

  • Windows, Mac, Linux, Chromebook
  • Chrome, Firefox, Safari, Edge
  • Tablets and mobile devices

No plugins, no downloads, no account required. Just upload, convert, and download.

Pro Tip

Before converting large batches of old 3GP files, test with one file first. Import the converted MTS into your editing software to confirm it integrates smoothly with your workflow before processing your entire collection.

Common Mistake

Expecting HD quality from converted 3GP files. The original recording determines quality limits. Conversion changes the container and codec compatibility, not the underlying resolution or detail.

Best For

Archiving old mobile phone recordings from the 2000s era into a modern format for video editing projects, family documentaries, or Blu-ray disc creation.

Not Recommended

If you just want to share videos online or via messaging apps, convert to MP4 instead. MTS is specifically designed for editing and Blu-ray workflows, not casual sharing.

Frequently Asked Questions

3GP is a video container format developed by the 3rd Generation Partnership Project. It was widely used on mobile phones from the early 2000s for recording and sharing video via MMS. The format prioritizes small file sizes over quality, typically using H.263 or MPEG-4 Part 2 video codecs.

MTS is the file extension for AVCHD (Advanced Video Coding High Definition) format, developed by Sony and Panasonic. It is the standard output format for HD camcorders and is designed for high-definition video recording, editing, and Blu-ray disc authoring.

Converting does not add resolution or detail that was not in the original recording. However, it repackages your video in a modern HD-compatible container with upgraded audio codecs, making it work smoothly with professional editing software and HD playback systems.

MTS is the preferred format for professional video editing workflows and Blu-ray disc authoring. Software like Adobe Premiere, Final Cut Pro, and Blu-ray authoring tools handle MTS natively. MP4 is better for general sharing and web playback.

Some editors can import 3GP, but many display codec warnings or require additional plugins. Converting to MTS first eliminates compatibility issues and ensures smooth timeline playback in professional editing applications.

Yes. The conversion happens entirely in your browser. Your video files are not uploaded to external servers, keeping your content private throughout the process.

Conversion time depends on file size and your device's processing power. Most 3GP files are small due to the format's mobile-focused compression, so conversions typically complete within seconds to a few minutes.

Yes. You can upload multiple 3GP files and convert them all to MTS in a single batch, saving time when processing video collections from old mobile devices.

MTS files play on Blu-ray players, PlayStation consoles, and computers with HD video software. Most modern video players like VLC handle MTS without issues. The format is specifically designed for HD camcorder footage and Blu-ray compatibility.

Quick access to the most commonly used file conversions.