

The best PDF Reader alternative to Okular is SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Okular and loads of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to Okular are Foxit PDF Reader, PdfCraft, KOReader and Koodo Reader.


Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:




The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.




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.




Xpdf is a free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. Most of the tools are available as open source.

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!.




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.

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.


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.

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







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