What is PDF? Portable Document Format (PDF) was invented by Adobe and has become the publishing standard used worldwide by various standards organizations for more secure and reliable electronic document distribution and exchange. Adobe PDF has been widely used by enterprises, government agencies, and educators to simplify document exchanges, improve productivity, and eliminate paper processes. The International Organization for Standardization (ISO) has approved Adobe Systems' PDF (Portable Document Format) as an international standard, giving PDF even broader applications. In this article, ParaLAN has compiled some tools and related resources about PDFs for you, such as PDF readers, PDF converters, PDF creation tools, online PDF applications, etc.
PDF Readers