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Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
In those early years before the rise of the World Wide Web and HTML documents, PDF was popular mainly in desktop publishing workflows. PDF's adoption in the early days of the format's history was slow. [4] Indeed, the Adobe Board of Directors attempted to cancel the development of the format, as they could see little demand for it. [5]
The nasa.gov home page in 2015. The World Wide Web (WWW) was created in 1989 by the British CERN computer scientist Tim Berners-Lee. [1] [2] On 30 April 1993, CERN announced that the World Wide Web would be free to use for anyone, contributing to the immense growth of the Web. [3]
A web page (or webpage) is a document on the Web that is accessed in a web browser. [1] A website typically consists of many web pages linked together under a common domain name . The term "web page" is therefore a metaphor of paper pages bound together into a book.
The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. [1] It allows documents and other web resources to be accessed over the Internet according to specific rules of the Hypertext Transfer ...
A web portal is a specially designed website that brings information from diverse sources, like emails, online forums and search engines, together in a uniform way. Usually, each information source gets its dedicated area on the page for displaying information (a portlet ); often, the user can configure which ones to display.
In 2022, PDFTron acquired iText, a provider of PDF Software, [9] PDFlib GmbH, Germany-based innovator of dynamic, server-side PDF creation technology [10] and eversign, GmbH, an Austrian e-signature platform for an undisclosed sum.
PDF/X is a subset of the ISO standard for PDF. The purpose of PDF/X is to facilitate graphics exchange, and it therefore has a series of printing-related requirements which do not apply to standard PDF files. For example, in PDF/X-1a all fonts need to be embedded and all images need to be CMYK or spot colors.