The MCUXpresso IDE has a versatile way to create different binary files (S-Record/S19, Intel Hex or raw Binary) which then can be used by other tools like flash programmer or bootloaders.
Check out the IDE documentation (menu Help > MCUXpresso IDE User Guide):
where you can search for any topics like this:
See as well the following article (external link) on that subject: MCUXpresso IDE: S-Record, Intel Hex and Binary Files | MCU on Eclipse
Enjoy!
