The Document Reader lets you read course materials — PDFs, slides, and text files — with built-in AI tools that help you understand difficult content without leaving the page.

Opening a Document

1. Go to your course Materials or Library.
2. Click any document to open it in the reader.
3. PDFs display page by page. Markdown and text files display as formatted documents.

Inline AI Actions

Select any text in the document to reveal the AI toolbar:

• Explain — get a plain-language explanation of the selected text
• Simplify — rewrite the selection in simpler, clearer language
• Define — get definitions of key terms in the selection
• Translate — translate the selection into your preferred language
• Extend — generate additional context or related information about the topic

Navigation

• Use page navigation controls at the bottom to move through a PDF
• Use Ctrl/Cmd+F to search within the document
• Click the back arrow to return to your course materials

Document Reader Features Overview

• Read Mode — clean, distraction-free view optimized for reading. Adjustable font size, line height, and column width.
• Highlight and Annotate — select any text to highlight it in yellow, green, or pink, or add a note. Your highlights are saved and private.