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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    File format. A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format.

  3. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF/A-3 allows embedding of any file format such as XML, CAD and others into PDF/A documents. The use of XML-based XML Forms Architecture (XFA) forms is forbidden in PDF/A. (XFA form data may be preserved in a PDF/A-2 file by moving from XFA key to the Names tree that itself is the value of the XFAResources key of the Names dictionary of the ...

  4. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...

  5. TIFF - Wikipedia

    en.wikipedia.org/wiki/TIFF

    TIFF is a flexible, adaptable file format for handling images and data within a single file, by including the header tags (size, definition, image-data arrangement, applied image compression) defining the image's geometry. A TIFF file, for example, can be a container holding JPEG (lossy) and PackBits (lossless) compressed

  6. Open Artwork System Interchange Standard - Wikipedia

    en.wikipedia.org/wiki/Open_Artwork_System...

    Open Artwork System Interchange Standard (OASIS) is a binary file format used for specification of data structures for photomask production. It's used to represent a pattern an interchange and encapsulation format for hierarchical integrated circuit mask layout information produced during integrated circuit design that is further used for manufacturing of a photomask.

  7. Document file format - Wikipedia

    en.wikipedia.org/wiki/Document_file_format

    A document file format is a text or binary file format for storing documents on a storage media, especially for use by computers . There currently exist a multitude of incompatible document file formats. Examples of XML -based open standards are DocBook, XHTML, and, more recently, the ISO / IEC standards OpenDocument (ISO 26300:2006) and Office ...

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