Editing PDF (section)

=== Viewers and editors ===

Many PDF viewers are provided free of charge from a variety of sources. Programs to manipulate and edit PDF files are available, usually for purchase.

There are many software options for creating PDFs, including the PDF printing capabilities built into [[macOS]], [[iOS]],<ref>{{Cite web|url=https://ijunkie.com/how-to-create-pdf-web-page-safari-iphone-ipad-ios-11/|title=How to Create a PDF from Web Page on iPhone and iPad in iOS 11|last=Pathak|first=Khamosh|date=October 7, 2017|website=iJunkie|access-date=January 12, 2023|archive-date=January 12, 2023|archive-url=https://web.archive.org/web/20230112153246/https://ijunkie.com/how-to-create-pdf-web-page-safari-iphone-ipad-ios-11/|url-status=live}}</ref> and most [[Linux]] distributions. Much document processing software including [[LibreOffice]], [[Microsoft Office 2007]] (if updated to [[Office 2007#Service Pack 2|SP2]]) and later,<ref>{{cite web|url=http://support.microsoft.com/kb/953195|title=Description of 2007 Microsoft Office Suite Service Pack 2 (SP2)|publisher=[[Microsoft]]|url-status=dead|archive-url=https://web.archive.org/web/20090429212434/http://support.microsoft.com/kb/953195|archive-date=April 29, 2009|access-date=January 12, 2023}}</ref> [[WordPerfect]] 9, and [[Scribus]] can export documents in PDF. There are many PDF print drivers for Microsoft Windows, the [[pdfTeX]] typesetting system, the [[DocBook]] PDF tools, applications developed around [[Ghostscript]] and [[Adobe Acrobat]] itself as well as [[Adobe InDesign]], [[Adobe FrameMaker]], Adobe Illustrator, Adobe Photoshop, that allow a "PDF printer" to be set up, which when selected sends output to a PDF file instead of a physical printer. [[Google]]'s online office suite [[Google Docs]] allows uploading and saving to PDF. Some web apps offer free PDF editing and annotation tools.

The [[Free Software Foundation]] was "developing a free, high-quality and fully functional set of libraries and programs that implement the PDF file format and associated technologies to the ISO 32000 standard", as one of its [[High priority free software projects|high priority projects]].<ref>On 2014-04-02, a note dated February 10, 2009 referred to [http://www.fsf.org/campaigns/priority.html Current FSF High Priority Free Software Projects] {{Webarchive|url=https://web.archive.org/web/20070810230457/http://www.fsf.org/campaigns/priority.html |date=August 10, 2007 }} as a source. Content of the latter page, however, changes over time.</ref><ref>{{cite web|url=http://gnupdf.org/Goals_and_Motivations|title=Goals and Motivations|publisher=GNUpdf|date=November 28, 2007|website=gnupdf.org|access-date=April 2, 2014|archive-date=July 4, 2014|archive-url=https://web.archive.org/web/20140704114405/http://www.gnupdf.org/Goals_and_Motivations|url-status=usurped}}</ref> In 2011, however, the GNU PDF project was removed from the list of "high priority projects" due to the maturation of the [[Poppler (software)|Poppler library]],<ref>{{cite web|title=GNU PDF project leaves FSF High Priority Projects list; mission complete!|url=http://www.fsf.org/blogs/community/gnu-pdf-project-leaves-high-priority-projects-list-mission-complete|date=October 6, 2011|first=Matt|last=Lee|publisher=Free Software Foundation|website=fsf.org|archive-date=December 28, 2014|archive-url=https://web.archive.org/web/20141228050435/http://www.fsf.org/blogs/community/gnu-pdf-project-leaves-high-priority-projects-list-mission-complete|url-status=live}}</ref> which has enjoyed wider use in applications such as [[Evince]] with the [[GNOME]] desktop environment. Poppler is based on [[Xpdf]]<ref>{{cite web|url=http://poppler.freedesktop.org/|title=Poppler Homepage|quote=Poppler is a PDF rendering library based on the xpdf-3.0 code base.|access-date=January 12, 2023|archive-date=January 8, 2015|archive-url=https://web.archive.org/web/20150108235708/http://poppler.freedesktop.org/|url-status=live}}</ref><ref>{{cite web|url=http://cgit.freedesktop.org/poppler/poppler/tree/README-XPDF|title=Xpdf License|quote=Xpdf is licensed under the GNU General Public License (GPL), version 2 or 3.|access-date=January 12, 2023|archive-date=April 14, 2013|archive-url=https://archive.today/20130414194348/http://cgit.freedesktop.org/poppler/poppler/tree/README-XPDF|url-status=live}}</ref> code base. There are also commercial development libraries available as listed in [[List of PDF software]].

The [[Apache PDFBox]] project of the [[Apache Software Foundation]] is an open source Java library, licensed under the [[Apache License]], for working with PDF documents.<ref>{{cite web|url=http://pdfbox.apache.org/|url-status=live|title=The Apache PDFBox project- Apache PDFBox 3.0.0 released|date=August 17, 2023|archive-date=January 7, 2023|archive-url=https://web.archive.org/web/20230107234923/https://pdfbox.apache.org/}} Updated for new releases.</ref>