gparted software package provides GNOME partition editor, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gparted
gparted is installed in your system.
Make ensure the gparted package were installed using the commands given below,
$ sudo dpkg-query -l | grep gparted *
You will get with gparted package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | GNOME |
| Package | gparted |
| Version | 0.12.1-2+b1 [amd64], 0.12.1-2 |
| Description | GNOME partition editor |
| Sub Section | GNOME |