GParted
Updated: 04/30/2020 by Computer Hope
GParted is a free, open-source graphical partition editor created by the GNU (GNU's Not Unix) project. It can create, delete, modify, and format unmounted disk partitions on a computer.
GParted Live
GParted Live is a bootable ISO, containing a minimal Linux operating system and the GParted software, that can be written to a USB (universal serial bus) thumbdrive/CD-R/DVD-R.
GParted Live can modify the computer's system partitions (that contain the computer's operating system). These partitions cannot be modified while the computer's operating system is running.