PDF.js Viewer Overview

Aug 11, 2025

Overview

This lecture introduces students to the PDF.js viewer, explaining its features, navigation tools, and best practices for utilizing PDF documents within a digital learning environment.

Introduction to PDF.js Viewer

  • PDF.js is a web-based PDF viewer that allows you to read PDF files directly in your browser.
  • It is integrated with Brightspace to let students view course readings and materials without downloading.

Viewer Features & Navigation

  • Main navigation tools include page up/down arrows, a page number input, and a scroll bar for quick navigation.
  • Zoom options allow resizing the document for better readability.
  • Search functionality helps locate keywords or phrases within the PDF.
  • Annotations or highlighting may be available, depending on course permissions.
  • The download and print buttons let you save or print the document if enabled by your instructor.

Best Practices for Use

  • Use the outline or bookmarks panel to jump to specific sections or chapters.
  • Adjust zoom and layout (single/double page view) for easier reading.
  • Use the search feature instead of manual scrolling to save time.
  • Always check for updates or newer versions of posted PDFs.

Troubleshooting & Support

  • Refresh the page if the PDF does not load or displays an error.
  • Try a different browser if you encounter persistent viewing issues.
  • Contact your instructor or technical support if problems continue.

Key Terms & Definitions

  • PDF.js โ€” a JavaScript-based tool that allows viewing PDF files in web browsers.
  • Navigation Bar โ€” area with tools for moving between pages, zooming, and search.
  • Bookmarks Panel โ€” sidebar showing the document outline for quick navigation.

Action Items / Next Steps

  • Practice opening and navigating a PDF document with PDF.js in Brightspace.
  • Review any required readings posted as PDFs using the viewerโ€™s search and navigation tools.

View note source

https://brightspace.algonquincollege.com/d2l/common/assets/pdfjs-d2l-dist/web/viewer.html?file=https%3A%2F%2Fd2l-docbuilder-prod-ca-central-1-converted.s3.ca-central-1.amazonaws.com%2Fd52a5d1e-ab94-4159-bbef-ace0093616dc%2Fc1b1b4e90e52167f1ac079d7528ba21c.pdf%3FX-Amz-Algorithm%3DAWS4-HMAC-SHA256%26X-Amz-Credential%3DASIA5AF533RDX4PYVDFN%252f20250811%252fca-central-1%252fs3%252faws4_request%26X-Amz-Date%3D20250811T171837Z%26X-Amz-Expires%3D5460%26X-Amz-Security-Token%3DIQoJb3JpZ2luX2VjELn%252f%252f%252f%252f%252f%252f%252f%252f%252f%252fwEaDGNhLWNlbnRyYWwtMSJHMEUCIQDXNU2lYg%252fnh9OkpkMFEUX05CdHrg7GyLqOwGZWQLZFFgIgFlzp6FtZbgT8YiMs8eBLGE9y2fNddLESTVsJCaU8IxkqiwQI8v%252f%252f%252f%252f%252f%252f%252f%252f%252f%252fARAEGgw4OTM3NTEzODUxNTkiDH9a0QY4TzYfFNxBeCrfA%252bjK16z709BJPkq3dvGEbZAWCd%252firYNCx9l%252fsQPYlELop71aMd%252btIEz0bSXKhzGGl2Ms55%252bxT2cZMBgN5HwDiDGO%252fbCEC9zYIZjEymVZVYp4GjkRevYjTRjUb7W0%252fxFJ29BrQaP%252fz365nqxX%252bnpdvUYYxEmWxCYRjmLzluWDe1ui%252f8ho%252fDpQ4PuWXLkK7oTTQcuz3Bx66h5P%252f9CJ9Nj2cwUdzA8bYK4hUyYoisCksLj3L%252fEao2m%252bWhQtOupOB9u2powtS9pDBqNZ%252bCeJ7gNw7CspiBzezV6Kt3KCiP17ayW1pQOi4PSVTrW7lZnPtveRzubmspOUxSZ4xHDpCfbU2Yl%252bDlmlSv2nTo3WWkU%252bZmbomZj1Er0Pa%252f6Pjw362sYXfQ21zL2kmFbLgpsMRX87K%252fJcy9PsWF5VgRHq4goDBUAWlL1wH9VxiE8rZ%252bD%252f7vsvNESro0VkNrDoz%252bawEMPQfu6eoOOaqLzFk0tfHlVsgCN1ArvYmU214bJcgCePhx%252b6gchZEpXusjIZruteStfVOk%252bJJw1JME3ytHhk1AWeuOTE87VJajaAwGDyglkmRDODCieUMGlGQnPUGTAoJHjoiu42U9r9wGRCRjYCbTUZfgBYkJPHdLBzZ0ZZP1tVV6vAMJHF6MQGOqUBBcqabV%252fiZMbFeXuRgjV1K78pVM2fPLI7Ins%252b5T3RchDg%252ffUUEFjodq5wKAS0X5Ju7wffMUu7rV70RTgcUtpT5TlcQWzyTwjRSJstD2g2%252fHz50xdpODZIZEKxcBbISRT%252bd1GhWftVwO8%252bHF7c%252bnE8nq1M%252bav%252fNn0kVWPC0Bi3ZxAfz7f%252bb%252bxhC10bo2OMKWc7h%252fPoIJ%252fWA3QikOPTQwPy9uPo0vGR%26X-Amz-Signature%3D8471a8523510a04a51f0d0f1fc02cb3eef1ff73bdd758539fef945210704d5c3%26X-Amz-SignedHeaders%3Dhost&lang=en-ca&container=d2l-fileviewer-rendered-pdf&fullscreen=d2l-fileviewer-rendered-pdf-dialog&height=981#%5B%7B%22num%22%3A1%2C%22gen%22%3A0%7D%2C%7B%22name%22%3A%22XYZ%22%7D%2C61%2C388%2C0%5D