Install and launch the UniFab Video Converter on your device first.

Select the video/file you want to convert from video_TS to MP4 and add it into UniFab Video Converter.

Choose 'MP4' as the output format and customize the video resolution you want, then, click the Start button to convert your video_TS to MP4 format.

Begin by launching the VLC media player on your device. Navigate to the upper menu bar and select the Media option, followed by Convert/Save. Instantly, a pop-up window for video conversion will appear on your screen.

Proceed by clicking on the Disc option, then proceed to select DVD under the Disc Selection section. Click the Browse button to locate the VIDEO_TS file stored on your device. If required, select titles, chapters, subtitles, and audio tracks from the ensuing sections. After completing these actions, click the Convert/Save button at the bottom-most part of the screen.

Your selection will usher you into a new sub-window. Within this window, locate the drop-down menu under the Profile section. Click on it to select Video- H.264 + MP3 (MP4) as your preferred output format.

Select the Browse option to choose a specific location or folder where your converted MP4 file will be saved. Once you've selected the destination, you can name your MP4 file as you prefer. Once these steps are complete, simply click the Start button to begin the conversion process of your VIDEO_TS to MP4 format entirely free of charge.

First you need to install and open the Handbrake software. Now you need to click on the “source” button and after this, you need to click on the “ folder” option.

After this, you need to browse to your required folder of video_TS and proceed by clicking on the “select folder” option.

As soon as the handbrake application has finished loading of the folder thereafter, you shall be able to see a few options in the top portion of the window which will allow you for choice of a particular time or any chapter range that needs to be converted to MP4 format.

Now you need to proceed by clicking on the “browse” option under “destination” where you will be able to select the destination for your MP4 file for saving.

After this, you can click on the “start” button for proceeding with the process.

Go to CloudConvert website. In the home page, you will see a "Select Files" button. Click on this button and browse the TS file from your device that you want to convert to MP4.

After you have selected the files, click on the drop-down menu beside the "Convert to" label and select 'MP4'. If you need to adjust the resolution or apply any other settings, click on the "wrench" icon or the 'options' button.

Once everything is set, click on the "Start Conversion" button. Wait for a while until the conversion is done. Then you can download the converted MP4 file.