Okular
by KDE e.V.
Okular is a universal document viewer for displaying and annotating a wide variety of document formats.
Overview
Okular is a universal document viewer developed by KDE. It is an open-source, cross-platform application primarily designed for viewing PDF, DjVu, CHM, XPS, ePub, TIFF and ODT documents, as well as comic books, and comic book archives.
Okular can be used as a standalone application, as well as to embed a document view in other applications like KDevelop, Konqueror, and KMail. It provides features such as text search, annotations, form filling, text selection, and a presentation mode.
• View and annotate PDF, DjVu, CHM, XPS, ePub, TIFF and ODT documents, as well as comic books and comic book archives.
• Search text in documents.
• Create and edit annotations, highlight text, and fill forms.
• Text selection and copying.
• Presentation mode with support for transitions and animations.
• Have multiple documents open at the same time.
• Export documents in PDF, PostScript, PNG, and other formats.
• Integrate with KDevelop, Konqueror, and KMail.
• Bookmarks, page thumbnails, and page display mode controls.
• Support for features such as encryption, digital signatures, and document links.
• Built-in File Manager for organizing documents.
• Supports different search engines for searching text in documents.
• Fullscreen mode for better focus on documents.
• Supports drag-and-drop for easy document opening.
• Automatically displays document information such as title, author, and page number.
• Ability to rotate documents.
• Customizable user interface with support for multiple languages.
• Ability to print documents.
• Ability to save documents in various formats.
• Ability to share documents via email or web services.
• Compatible with a variety of document formats, including PDF, DjVu, CHM, XPS, ePub, TIFF, ODT, and comic books and archives.
• Accessibility support.
Okular is a universal document viewer developed by KDE. It is an open-source, cross-platform application primarily designed for viewing PDF, DjVu, CHM, XPS, ePub, TIFF and ODT documents, as well as comic books, and comic book archives.
Okular can be used as a standalone application, as well as to embed a document view in other applications like KDevelop, Konqueror, and KMail. It provides features such as text search, annotations, form filling, text selection, and a presentation mode.
Okular offers users a convenient, unified interface for viewing and manipulating documents of many different formats.Features:
• View and annotate PDF, DjVu, CHM, XPS, ePub, TIFF and ODT documents, as well as comic books and comic book archives.
• Search text in documents.
• Create and edit annotations, highlight text, and fill forms.
• Text selection and copying.
• Presentation mode with support for transitions and animations.
• Have multiple documents open at the same time.
• Export documents in PDF, PostScript, PNG, and other formats.
• Integrate with KDevelop, Konqueror, and KMail.
• Bookmarks, page thumbnails, and page display mode controls.
• Support for features such as encryption, digital signatures, and document links.
• Built-in File Manager for organizing documents.
• Supports different search engines for searching text in documents.
• Fullscreen mode for better focus on documents.
• Supports drag-and-drop for easy document opening.
• Automatically displays document information such as title, author, and page number.
• Ability to rotate documents.
• Customizable user interface with support for multiple languages.
• Ability to print documents.
• Ability to save documents in various formats.
• Ability to share documents via email or web services.
• Compatible with a variety of document formats, including PDF, DjVu, CHM, XPS, ePub, TIFF, ODT, and comic books and archives.
• Accessibility support.
The minimum technical requirements for running Okular software depend on the operating system being used.
For Windows, a processor of at least 800 MHz, 512 MB of RAM, and 60 MB of disk space are required.
For Mac, a processor of at least 1.2 GHz, 768 MB of RAM, and 60 MB of disk space are required.
For Linux, a processor of at least 1.0 GHz, 512 MB of RAM, and 60 MB of disk space are required.
Additionally, for all systems, a graphics card compatible with OpenGL version 2.1 or later is required.
For Windows, a processor of at least 800 MHz, 512 MB of RAM, and 60 MB of disk space are required.
For Mac, a processor of at least 1.2 GHz, 768 MB of RAM, and 60 MB of disk space are required.
For Linux, a processor of at least 1.0 GHz, 512 MB of RAM, and 60 MB of disk space are required.
Additionally, for all systems, a graphics card compatible with OpenGL version 2.1 or later is required.
PROS
Supports a wide range of document formats.
Includes annotation and editing tools.
Open-source and free to use.
Includes annotation and editing tools.
Open-source and free to use.
CONS
Limited annotation options compared to other PDF viewers.
Occasional lag when viewing large files.
Lacks advanced features for professional editing and manipulation.
Occasional lag when viewing large files.
Lacks advanced features for professional editing and manipulation.
