Whois & Analysis for pdftopng.org

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.

Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images and other information needed to display it.

PDF has its roots in "The Camelot Project" initiated by Adobe co-founder John Warnock in 1991.

Portable Network Graphics (PNG, officially pronounced, colloquially pronounced) is a raster-graphics file format that supports lossless data compression.

PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF".

In computing, a computer file is a resource for recording data on a computer storage device, primarily identified by its filename.

Just as words can be written on paper, so can data be written to a computer file.

Files can be shared with and transferred between computers and mobile devices via removable media, networks, or the Internet.

Free software, libre software, or libreware is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions.

Free software is a matter of liberty, not price; all users are legally free to do what they want with their copies of a free software (including profiting from them) regardless of how much is paid to obtain the program.

Computer programs are deemed "free" if they give end-users (not just the developer) ultimate control over the software and, subsequently, over their devices.

Data conversion is the conversion of computer data from one format to another.

Throughout a computer environment, data is encoded in a variety of ways.

For example, computer hardware is built on the basis of certain standards, which requires that data contains, for example, parity bit checks.

Similarly, the operating system is predicated on certain standards for data and file handling.

Furthermore, each computer program handles data in a different manner.

Whenever any one of these variables is changed, data must be converted in some way before it can be used by a different computer, operating system or program.

Even different versions of these elements usually involve different data structures.

For example, the changing of bits from one format to another, usually for the purpose of application interoperability or of the capability of using new features, is merely a data conversion.

Data conversions may be as simple as the conversion of a text file from one character encoding system to another; or more complex, such as the conversion of office file formats, or the conversion of image formats and audio file formats.