I am not an expert but I think you can't convert images from one type to another by simply changing the file extension! However you can do it with .txt files. You can change .txt to .html or to .PHP and so on!
Let's Forum is an internet discussion community that helps folks (webmasters) involved in the internet marketing, SEO (search engine optimization) and website development or design. Learn how to increase your business (eCommerce) website rankings, how to get on Google first page if you are a webmaster, new marketing techniques and ideas that will give you the necessary boost to achieve your goals.