What is a good h264 converter for Windows?

Question

H.264

The DVR gives the saved video files in h264 format.
Please advise a converter to some other video format that is understood by the standard player for Windows and Android.
It is not necessary to advise the players - I can see it myself.

Answer 1

https://handbrake.fr/
In general, regular players in both Android and Windows 8/10 understand h264