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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    The format is flexible in that it allows for integer width specification (using the /W array), so that for example, a document not exceeding 64 KiB in size may dedicate only 2 bytes for object offsets. At the end of a PDF file is a footer containing

  3. Machine-readable document - Wikipedia

    en.wikipedia.org/wiki/Machine-readable_document

    The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of the presentation of the document, including the text, fonts, graphics, and other information needed to display it.

  4. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  5. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    SMI – SMI SAMI Caption file (HTML like subtitle for movie files).smk – SMK Smacker video file. A video compression system developed by RAD Game Tools; SWF – Adobe Flash (for viewing).TORRENT – A file that does not hold the video, but simply where the video is located (Can also be used to store the location of a software or audio)

  6. Comparison of e-book formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_e-book_formats

    The FictionBook format does not specify the appearance of a document; instead, it describes its structure and semantics. All e-book metadata, such as the author name, title, and publisher, is also present in the file. Hence the format is convenient for automatic processing, indexing, and e-book collection management.

  7. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    PDF documents conforming to ISO 32000-1 carry the PDF version number 1.7. Documents containing Adobe extended features still carry the PDF base version number 1.7 but also contain an indication of which extension was followed during document creation. [21] PDF documents conforming to ISO 32000-2 carry the PDF version number 2.0, and are known ...

  8. Document comparison - Wikipedia

    en.wikipedia.org/wiki/Document_comparison

    The software-based document comparison process compares a reference document to a target document, and produces a third document which indicates (by colored highlighting or by differing font characteristics) information (text, graphics, formulas, etc.) that has either been added to or removed from the reference document to produce the target ...

  9. List of open file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_open_file_formats

    An open file format is a file format for storing digital data, defined by a published specification usually maintained by a standards organization, and which can be used and implemented by anyone. For example, an open format can be implemented by both proprietary and free and open source software , using the typical software licenses used by each.