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change page size extend: 'pdfHtml5', orientation: 'landscape',//landscape give you more space pageSize: 'A0',//A0 is the largest A5 smallest(A0,A1,A2,A3,legal,A4,A5,letter)) title:title datatatables link [https://datatables.net/reference/button/pdf](url) more about standard paper sizes [http://www.papersizes.org/a-series-full-sized-diagram.htm](url)