Okular

Okular is a versatile, open‑source document viewer from the KDE project that supports many formats (PDF, EPUB, DJVU, PS, TIFF, comic book formats, and more). Main features: robust rendering and navigation, annotations (highlights, notes, stamps, drawing), form filling and digital signature verification, text extraction and searchable PDFs, advanced bookmarking and table‑of‑contents support, multi‑page and continuous view modes, and cross‑platform availability (Linux, Windows, macOS). Benefit: provides a powerful, privacy‑respecting tool for reading, annotating, and managing diverse document types with rich features for students, professionals, and power users.

Okular is a versatile, open‑source document viewer from the KDE project that supports many formats (PDF, EPUB, DJVU, PS, TIFF, comic book formats, and more). Main features: robust rendering and navigation, annotations (highlights, notes, stamps, draw...