Change page size in PDF is usual application for PDF page resizing point of view. Software allows resizing PDF pages into several manners like fixed page range, specific pages and even/odd pages. You can use page orientation features like portrait and landscape. Tool offer you several paper size such as A0, A1, A2, A3, B0, B1, B2, B3, RA0, RA1, RA2, RA3, quarto, foolscap, executive, government letter, letter, legal, ledger, tabloid, crown etc.