Multi-platform, fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.
Okular supports many formats, including PDF, EPub, DjVU and MD for documents; JPEG, PNG, GIF, Tiff, WebP for images; CBR and CBZ for comics; and many, many more.
Okular has a wide range of features that lets you easily manage your documents.
With Okular's 'Annotation mode', you can easily add inline and popup notes, highlight and underline text, or even add your own text.
With Okular's 'Selection mode', you can copy and paste almost anything from your documents to elsewhere. And, for those times the text you want to read is too small, you can use the 'Magnifier mode'.
Navigating your content is easier than ever. With Okular's 'Thumbnails panel', you can browse graphically the part of the document you were looking for. With the 'Content panel', find the chapter you need in all supported documents.
You can view and verify digital signatures embedded in PDFs, check if they are still valid, and detect any modifications since the moment the document was signed. You can even sign PDFs yourself!
Okular is released under the GPLv2+, and is thus fully Free Software. Find the source code including guidance how to contribute in the Okular repository on KDE's GitLab. Okular also fully respects your privacy, see all details in the KDE Software Privacy Policy.
Okular is the very first software product to receive the Blue Angel ecolabel for being resource and energy efficient. Click on the label to find out more.
The 24.08 version of Okular has been released. This release includes several improvements in PDF form handling and various other minor fixes and feature enhancements. You can check the full changelog at https://kde.org/announcements/changelogs/gear/24.08.0/#okular.
Thursday, 23 May 2024The 24.05 version of Okular has been released. You can check the full changelog at https://kde.org/announcements/changelogs/gear/24.05.0/#okular. Okular 24.05 is a recommended update for everyone using Okular.
Wednesday, 28 February 2024The 24.02 version of Okular has been released. You can check the full changelog at https://kde.org/announcements/changelogs/gear/24.02.0/#okular. Okular 24.02 is a recommended update for everyone using Okular.
Thursday, 24 August 2023The 23.08 version of Okular has been released. This release contains various minor fixes and feature enhancements. You can check the full changelog at https://kde.org/announcements/changelogs/gear/23.08.0/#okular. Okular 23.08 is a recommended update for everyone using Okular.
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