Many of Picnik's basic photo editing tools are free to use. Picnik Premium includes additional photo editing features and is offered for a monthly, 6-month, or annual subscription cost.
Picnik has a partnership with Flickr that includes a less feature-rich version of Picnik built into Flickr as a default photo editor.
They have also signed up to do photo editing with free website creator Webs.
Picnik was acquired by Google on March 1, 2010.