Free PDF Reader and PDF Accessibility Checker
For the resolution of accessibility issues and to access additional advanced functionalities, explore PDFix Desktop Professional.

Free PDF Viewer & PDF Validator
As a PDF Viewer, it allows you to view PDF files, and navigate through Tags, Content, Annotations, or Bookmarks. As a PDF Validator, it verifies and checks your PDF documents for conformity with accessibility standards and easily navigates you to the problematic elements.
PDFix Desktop Lite is available for Windows, Mac, and Linux.
WCAG and PDF/UA Compliance
Verify your PDF documents for conformity with accessibility standards.
- Conformity with accessibility standards: WCAG, Section 508, PDF/UA compliance
- Compatible with PAC, Adobe Acrobat
- A detailed explanation of errors
- Navigation to problematic elements identified by the validation
- Full customization of the validation profile
- To learn the process, watch our video tutorial below.

For Windows, Linux and macOS
Have a question or are you missing something? Let us know and we’ll get back to you. Send us a message or select the time to talk to us, and we’ll get back to you.