The acquisition of Portable Document Format files that are optimized for keyboard navigation and offered without cost represents a specific subset of document accessibility and distribution. This refers to files designed to be fully navigable using only keyboard inputs, allowing users to interact with the document elementstext, links, formswithout requiring a mouse or trackpad. A user seeking such a document might, for example, be looking for a government form or an educational resource that can be completed using solely the keyboard.
The significance of these documents lies in their ability to cater to individuals with motor impairments or those who prefer keyboard-based workflows. Increased accessibility broadens the potential audience and ensures compliance with accessibility standards such as WCAG (Web Content Accessibility Guidelines) or Section 508. Historically, the development of accessible documents has lagged behind general document creation, but growing awareness of inclusivity and legal mandates are driving increased adoption of keyboard-navigable PDF creation practices.