W2 Forms can be entered online at the Social Security Administration website. This is useful for small companies with a handful of employees. It will allow you to enter the data, print the forms on your printer using plain paper and submit them to the SSA.

You need to go to their website at http://ssa.gov and sign up and once you have an account you can do this. Below are two links with information.

This is a PDF file with instructions:


And this is to a video taking you through the process: