Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Chrome OS




The best PDF Reader alternative to Free Opener is Qoppa PDF Studio. It's not free, so if you're looking for a free alternative, you could try Document Viewer or Atril. If that doesn't suit you, our users have ranked more than 25 alternatives to Free Opener and ten of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to Free Opener are Universal Viewer, Right PDF Reader, PDFChef and Documents.
Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.




Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .


Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:




Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.




PDFChef enhances document management with cross-platform support on PC, Mac, iOS, and browsers. It offers text-editing, page rearranging, conversion tools, and cloud-based sharing. Supporting various file formats, it also enables users to add signatures directly to PDFs for swift document finalization.




Documents is a document viewer and media player for your iPhone and iPad. Read books, watch video and listen to music directly on your device.




Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.
Integrates photos from various devices into a unified, organized library, syncing collections across Apple, Android, and Windows while preserving folder structures. Enables multi-platform editing, advanced search, sharing, RAW support, offline syncing, metadata tools, and secure management.



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!.



