VLC Media Player is a free and open source multimedia player that plays most multimedia files like MP4, MKV, WMV, MP3 and more. It also works as a free TS to MP4 converter. Check the following steps to start converting TS to MP4.

Step 1. Download and open VLC Media Player. Click Media and select Convert / Save button.

Step 2. Click Add button, select the TS video you want to convert. Then, select MP4/MOV next to Profile folder. After that, click Save to save the changes.

Step 3. Set MP4 as the output video format and set the destination folder where the MP4 file will be saved. Then, click Start to start converting TS to MP4.

Comprehensive Guide on How to Convert TS to MP4: https://www.free-videoconverter.net/convert-ts/ts-to-mp4/