WP Backup Lite

WP Backup Lite allows you to backup, clone, and restore your wordpress website at any time for either download or to your server for safe storage. Its one of the fastest backup utilities to move your wordpress website and a quick way to better secure your websites, best of all, its completely free.

Extract the zip file and just drop the contents in the wp-content/plugins/ directory of your WordPress installation and then activate the Plugin from Plugins page.