MediaSizer is an Adobe Acrobat plug-in. It allows you to:
An example of use is that you might want to change a Letter size document to A4 for distribution in the European market or A4 sized document to letter size for the North American market.
MediaSizer works differently from the page clipping facility offered within Acrobat itself which can only reduce the page size, as with MediaSizer not only can you specify a standard page size such as A4 or Letter, but you can also increase the page size. Custom page sizes can also be added.
A tryout version of this product is available.