



PDF X is described as 'Productive PDF reader & editor for Windows. It's powerful for users to view, print, edit, and annotate Adobe Acrobat PDFs' and is a PDF Reader in the office & productivity category. There are more than 50 alternatives to PDF X for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best PDF X alternative is SumatraPDF, which is both free and Open Source. Other great apps like PDF X are Okular, Foxit PDF Reader, Evince and PDF-XChange Editor.




Privacy-first PDF utility (Zero-Server Architecture). Merge, split, compress, and edit PDFs 100% locally on your device. No uploads, no servers, no tracking.


High-performance viewer for documents and images offering split tabs, customizable single or book layouts, portals for side-by-side sections, instant search, line highlight, annotation tools, link hints, searchable highlights, session management, and TOML config.


A document viewer for the GNOME desktop. You can view, search or annotate documents in many different formats.


Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.




PDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.





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


Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is free software (GNU GPL) and runs on Linux (recent distributions), Windows and other GTK+/Gnome platforms.

Xodo is the ultimate cross-platform PDF viewer and annotator. Powerful, fast, and optimized for all phones and tablets, Xodo makes it easy to access, edit, share, sync, manage, sign, and more.




Read, annotate, and highlight PDFs, fill interactive forms with saved input, underline or strike through text, manage bookmarks, sync files from cloud services, and share documents. Compatible with Preview and Adobe Acrobat annotations, supporting extensive iOS features.




doPDF allows you to freely convert documents to PDF files. It installs as a printer driver, enabling you to print from any Windows application.



