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28 August 2023  Amanda J. Brook  Senior Product Manager
Last update by Olivia Brown at 9 November 2026

Summary
Learn how to convert m2ts to mp4 losslessly using our detailed method and video conversion software for seamless results.



how to convert m2ts to mp4

I. Introduction to M2TS format

The suffix of the M2TS format is (.m2ts or .mts). M2TS is a high-definition video format supporting multitasking video and audio streaming, mainly used in Blu-ray movies and high-definition camera footage. Although M2TS offers superior display quality, its files are often large. To watch these videos on mobile devices with limited memory, such as phones, it is necessary to compress or convert the format. MP4 is ideal for mobile devices due to its good video quality and smaller storage requirements.
M2TS format

II. Use Renee Video Editor software to convert M2TS format to MP4 format

To change the video format, we commonly use software. One such tool is Renee Video Editor, which offers features like adjusting brightness, saturation, contrast, cropping, editing, merging, splitting screens, and converting videos or pictures into GIFs. Here are the specific operation steps.

1. What is Renee Video Editor software?

Renee Video Editor is a professional video editing software with a simple interface and easy operation. Despite its simplicity, it offers comprehensive video editing functions, including cutting, merging, soundtracking, splitting, video enhancement, compression, GIF production, adding subtitles and watermarks, filters, speed adjustment, and more. The software supports multiple file formats (MP4, AVI, M4A, FLV, WMA, etc.), catering to the daily needs of most users.
Renee Video Editor – Multi-function Video Editing SoftwareRenee Video Editor professional video edit tools

Separate videos with different parametersUsers can separate videos into equal clips by time, size and self-set parameter.

Cut Videos & AudiosUsers are free to cut videos and audios clips by setting start and end time.

Multiple Edit ToolsMerge, crop, rotate, cut and transform video easily. Change and add background music, subtitles and watermark to video.

Format ConversionSupport to convert videos and audios into different formats.

Separate videosSeparate videos into equal clips by time, size and self-set parameter.

Cut Videos & AudiosCut videos and audios clips by setting start and end time.

Format ConversionConvert videos and audios into different formats.

Free TrialFree TrialDownload

32321 users have downloaded and used Renee Video Editor!

2. How to use Renee Video Editor software to convert M2TS format to MP4 format?

Using the Windows version of Renee Video Editor as an example:

Step 1: Download and install Renee Video Editor.

Step 2: Run the software, and click the (Crop) button on the initial interface of the software.
how to crop with renee video editor
Step 3: Click the (Add File) button in the cropping interface to load the M2TS video file that needs to be converted.
video editor crop video
Step 4: After loading the video, select the MP4 format in Output Format, choose the save location in Output Folder, and click Start to process and export the video.
video editor crop output mp4
TipsWhen choosing the MP4 format, it is recommended to select MP4 video (.MP4) as the output format. Other MP4 formats with a resolution of 1080P/720P may alter the video quality, preventing lossless conversion.

In addition to format conversion, there are other functions in video editing, which can quickly adjust and edit videos.

Effects: Click the Filter Effect button on the toolbar to adjust the video’s brightness, contrast, and saturation. Use the one-key enhancement button for intelligent adjustments. You can also adjust playback speed, add special effects, and improve video display.
video editor video effect
Add music: If the video lacks background music or has disorganized music, click the Soundtrack button in the toolbar, then Import Music to load the desired audio. In the Set Music Position column, choose a start and end time. Optionally, check Remove original audio to delete the video’s original audio.
add music steps

III. What should I do if the video file is too large and the transmission time is too long?

If after converting the video format losslessly, you find the file too large, taking too long to transfer, or facing upload limits on social networking sites, you can use Renee Video Editor to compress the video. Here are the specific steps:
Step 1: Download and install Renee Video Editor.
Step 2: Run the software, click the (Video Compression) function, and then import the video files.
video compression online service settings
Step 3: Compress the imported video in the Video Compression interface. Adjust the file size in File Size, select the output format in Export Format, and adjust the resolution in Resolution. Choose the save location in Save File. Click the Compress button to start processing and exporting the video.
video compression online service settings
TipsBefore outputting the movie, click the Preview button to check if the compressed movie meets our requirements. If it does, click the Compress button to output the movie; if not, continue adjusting the settings.

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