How to Edit Image Size in HTML on Tumblr. If your blog images are too large, users may have to scroll to see them. Make the images too small, and blog visitors might not notice them.

How to Hide Digital Images in Web Pages. Cascading style sheets can help you save time when maintaining pages on your website. Digital images, for example, probably appear on some of your Web pages.

Read how you can create a PNG file or convert an image to PNG using simple Windows tools.