Okular is a universal document viewer developed by KDE, designed for multi-platform use. It supports a wide array of document formats including PDF, EPub, DjVu, and Markdown, as well as image formats like JPEG, PNG, and WebP, and comic book formats like CBR and CBZ.
Key features include:
- Annotation Tools: Add inline notes, popup notes, highlight text, and underline text in PDF documents.
- Selection Modes: Copy and paste text or tables from documents.
- Magnifier Mode: Zoom in on small text for better readability.
- Content and Thumbnail Panels: Easily navigate documents using auto-generated tables of contents and thumbnail previews.
- Digital Signature Support: Verify digital signatures embedded in PDFs and sign documents.
Okular is suitable for users who need a comprehensive tool for reading, annotating, and managing various document types. It is particularly useful for students, researchers, and professionals who work with PDFs and other document formats regularly.
