Google AdWords Editor is a free application provided by Google to help you manage your ad campaigns. This application can save you lots of time and help you to streamline your work. Here is a list of basic functions:

You can work offline and update changes any time,

You can store and navigate one or more accounts,

You can add, edit and delete campaigns, ad groups, ads, keywords and placements’

You are able to make large scale changes quickly,

You can perform advanced searches and edits,

You can sort and view your performance statistics,

You can copy and move items between campaigns, ad groups and accounts,

You can export a snapshot of your account for sharing or archiving purposes,

You can import an archive file and review the proposed changes,

You can download the fee AdWords Editor application from the following link: http://www.google.com/intl/en/adwordseditor/