Use a video converter app or online converter
Import the MTS file
Select MP4 as the output format
Choose your preferred video settings if needed
Start the conversion
Save the converted MP4 file
Open the MP4 file to verify it plays correctly
Use a video converter app or online converter
Import the MTS file
Select MP4 as the output format
Choose your preferred video settings if needed
Start the conversion
Save the converted MP4 file
Open the MP4 file to verify it plays correctly