GParted is a free partition editor for graphically managing your disk partitions.
With GParted you can resize, copy, and move partitions without data loss, enabling you to:
Grow or shrink your C: drive
Create space for new operating systems
Attempt data rescue from lost partitions
Features
Perform actions with partitions such as:
create or delete
resize or move
check
label
set new UUID
copy and paste
Manipulate file systems such as:
btrfs
ext2 / ext3 / ext4
fat16 / fat32
hfs / hfs+
linux-swap
lvm2 pv
nilfs2
ntfs
reiserfs / reiser4
ufs
xfs
64-bit version runs on x86-64 based computers, with ability to access more than 4 gigabytes of memory, and supports use of multiple processor cores.