browsers save as multiple image format tiff and png jsf javascript

Change save as in the browsers to support multiple format including png and tiff format. the showed image in my jsf graphicImage is a png format:

<p:graphicImage id="Image" value="../archive/#{s.name}-#{s.title}.png" width="500"/>

When I do save as in google chrome is prupose just to save it as png,

How can to make this save as support png and tiff in save as right click image.