A extensão do Picnik do Google Chrome permite capturar páginas da Web e editar imagens diretamente no navegador.
The Picnik Extension for Chrome lets you easily edit the images you come across while browsing the web. With a click you can create a snapshot of your current web page and open it in Picnik for easy editing, annotation and sharing. Do the same for all the image on the current page -- just pick the image from the dynamic hot list and then edit, annotate and share with Picnik.