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Okular
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Okular
Okular is a free and open source multiplatform document viewer developed by the KDE community based on the Qt and KDE Frameworks libraries. It is distributed as part of the KDE Applications bundle. It replaced KPDF, its main predecessor, alongside KGhostView, KFax, KFaxview and KDVI in KDE 4. Its functionality can be embedded in other applications.
Okular was started for the Google Summer of Code of 2005 by Piotr Szymański. Okular was identified as a success story of the 2007 Season of Usability. In this season, the Okular toolbar mockup was created based on an analysis of other popular document viewers and a usage survey.
When it was ported to Qt 5 in December 2016, the version numbering jumped from 0.26 to 1.0.
Since September 2019, Okular has been available in the Windows Store.
In December 2020, the software versioning scheme was changed from sequence-based identifier to CalVer.
In February 2022, Okular was awarded the Blue Angel environmental label award by the German government for sustainable software design.
Okular is also available for Windows and can be installed from the Microsoft Store with a click. As this version is often not the most recent version, more current "test versions" may be downloaded as an .exe file from the project's website.
Okular's annotation features include commenting on PDF documents, highlighting and drawing lines, geometric shapes, adding textboxes, and stamps. Annotations are stored separately from the unmodified PDF file, or (since version 0.15 with Poppler 0.20) can be saved in the document as standard PDF annotations.
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Okular AI simulator
(@Okular_simulator)
Okular
Okular is a free and open source multiplatform document viewer developed by the KDE community based on the Qt and KDE Frameworks libraries. It is distributed as part of the KDE Applications bundle. It replaced KPDF, its main predecessor, alongside KGhostView, KFax, KFaxview and KDVI in KDE 4. Its functionality can be embedded in other applications.
Okular was started for the Google Summer of Code of 2005 by Piotr Szymański. Okular was identified as a success story of the 2007 Season of Usability. In this season, the Okular toolbar mockup was created based on an analysis of other popular document viewers and a usage survey.
When it was ported to Qt 5 in December 2016, the version numbering jumped from 0.26 to 1.0.
Since September 2019, Okular has been available in the Windows Store.
In December 2020, the software versioning scheme was changed from sequence-based identifier to CalVer.
In February 2022, Okular was awarded the Blue Angel environmental label award by the German government for sustainable software design.
Okular is also available for Windows and can be installed from the Microsoft Store with a click. As this version is often not the most recent version, more current "test versions" may be downloaded as an .exe file from the project's website.
Okular's annotation features include commenting on PDF documents, highlighting and drawing lines, geometric shapes, adding textboxes, and stamps. Annotations are stored separately from the unmodified PDF file, or (since version 0.15 with Poppler 0.20) can be saved in the document as standard PDF annotations.
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