PDF was first created in 1993 by Adobe. Adobe internal standards were part of its software quality systems, but they were neither published nor coordinated by a standards body. With the Acrobat Reader program available for free, and continued support of the format, PDF eventually became the de facto standard for printable documents. In 2005, PDF/A became a de jure standard as ISO 19005-1:2005. In 2008 Adobe's PDF 1.7 became ISO 32000-1:2008.
pdf was first created in 1993 by adobe adobe internal standards were part of its software quality systems but they were neither published nor coordinated by a standards body with the acrobat reader program available for free and continued support of the format pdf eventually became the de facto standard for printable documents in 2005 pdf/a became a de jure standard as iso 19005-12005 in 2008 adobe's pdf 17 became iso 32000-12008