- PDF - Wikipedia
PDF UA, the International Standard for accessible PDF based on ISO 32000-1 was first published as ISO 14289–1 in 2012 and establishes normative language for accessible PDF technology
- History of PDF - Wikipedia
PDF was one of a number of competing electronic document formats in that era such as DjVu, Envoy, Common Ground Digital Paper, Farallon Replica and traditional PostScript itself In those early years before the rise of the World Wide Web and HTML documents, PDF was popular mainly in desktop publishing workflows
- List of PDF software - Wikipedia
Sumatra PDF: A free (GPL), open source PDF reader based on MuPDF It also supports DjVu, XPS, CHM, Comic Book (CBR, CBT, CBZ and CB7Z) and eBook (EPUB, FB2, FB2Z, PBD, MOBI, PBR, TCR ZFB2), TXT and image file formats ( tga, gif, jpg, j2k, png, webp, tiff)
- PDF A - Wikipedia
PDF is a standard for encoding documents in an "as printed" form that is portable between systems
- PDF - 维基百科，自由的百科全书
PDF文件除平面的文本和图形外，还可能包括逻辑结构元素，注释、表单、图层、富媒体（包括视频内容）之类的交互元素，使用 U3D 或 PRC 的三维对象，以及多种其他数据内容。 PDF规范还提供了启用这些功能时所需的加密功能、 數位簽章 、文档附件和 元数据 等。
- Portable Document Format — Wikipédia
L'avantage du format PDF est qu'il préserve les polices de caractères, les images, les objets graphiques et la mise en forme de tout document source, quelles que soient l'application et la plate-forme utilisées pour le lire Le format PDF peut aussi être interactif
- Wikipedia, the free encyclopedia
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation
- How to Save a Wikipedia Page as a PDF on Any Device
Did you like a piece of information on Wikipedia that you want to share or read offline? You can save a PDF copy of that page directly from Wikipedia using the built-in tool or your browser Print to PDF feature
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