Index page in Joomla

I have made a homepage in Joomla 2.5, and I need my front page to be different then the page made in Joomla.

My best solution then, is to make the front page in pure HMTL, and then redirect to the site made in Joomla. Is this possible? or is there an easier way to do it? for example with a plugin or something?

Create a custom html page and create it an article and then assign this article to front page. In this way you can display your custom html page to hope page of joomla. Further if you want to remove even the headers and footers of the joomla page for home page this can be done in various ways

1. Make module positions and display the header and footer in it an then in admin do not publish these modules for home page
2. We have variable in template index.php which give us flags weather this is home page you can use this flag and put a condition like if this is home page dont display the header and footer.

Hope it will help you.