Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.




Okular is described as 'Multi-platform document viewer supporting PDF, comics, EPUB, images, and Markdown with annotation tools, sidebar navigation, and text-to-speech features' and is a very popular PDF Reader in the office & productivity category. There are more than 100 alternatives to Okular for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Okular alternative is SumatraPDF, which is both free and Open Source. Other great apps like Okular are Foxit PDF Reader, Evince, LibreOffice - Draw and MuPDF.
Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.




PDF Max is a desktop class PDF app for reading, annotating or signing PDF documents on your iPhone/iPad. Mark up documents with highlights and handwriting, insert texts and stamps, fill out, sign PDFs and even manipulate PDF pages.





Simple macOS PDF reader with ChatGPT integrated. You can chat with your local PDF. The returned response can cite the page number to ensure correctness.

Ashampoo PDF Free is a software for opening, reading, and creating PDF files. It includes a built-in printer driver for generating PDFs from any Windows application, a compact and fast PDF reader, and the ability to fill out interactive and static forms.






Discover Feather PDF, the ultimate PDF editor that prioritizes your privacy. Enjoy powerful editing features without data collection and gain lifetime access with a one-time payment.

FeatherPDF Editor is the most popular SaaS alternative to Okular.
PDF Reader Air is the ideal app for anyone who works with PDFs in the office or at home. Optimizing your work quality and productivity couldn’t be easier!.




PrivatePDF is a free web tool that lets you make quick PDF edits from within your web browser, without uploading anything anywhere.




Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
Edit your PDF files quickly and intuitively. Open, edit, save or convert PDF files with PDFTool – it’s up to you.



The better PDF experience - Simple and easy online PDF tools
Annotating. converting and editing pdfs in a web application by the developers of xodo.
