CommonLook PDF Validator

Document Properties

• View and Verify appropriate Metadata, including Title, Subject, Author, Keywords, Language, and Country.
• Verify that the document will display the Title (not the file name).
• View and Verify accurate Bookmarks.
• Check that fonts are correctly embedded in the document.
• Test that characters in text objects are mapped to Unicode.

Lists and Links

• Test for proper assembly of List and Link tags.
• Test for, and allow the user to verify link tag Alternative text.
• Test for, and enable the user to verify link annotation Contents (PDF/UA).
• Test for “broken” links.

Forms

• Test for proper assembly of Form tags.
• Test for Tooltips.
• Allow the user to verify the accuracy of Tooltips.

Proper Tagging

• View the Tags tree to verify proper tagging and to verify logical reading order.
• Verify proper tag nesting.
• Verify the correct use of heading tags.
• Selecting a tag in the Tags tree highlights the content in the PDF.
• Highlighting content in the PDF automatically selects the tag.
• Tag Properties panel conveniently displays the properties of any tag (alternative text, table summary, tooltip, etc.).
• Verify and Pass the Alternative text on any tag.
• Selecting an error in the verification results shows the element in the PDF.
• Verify proper role mapping for custom tags.

• Easily view untagged content.
• Test for the presence of empty tags.
• Check for empty tags that contain Alternative text.

Tables

• Test for table regularity.
• Test for adequate assembly of Table tags.
• Test for existence of Table Summaries.
• Allow the user to verify the accuracy of Table Summaries.