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The State University of New York at FredoniaReed Library

Faculty Services & Resources:

About Hypothesis is a user-friendly, open-source web annotation platform and browser extension. With Hypothesis, you can annotate text on any web page or any web-hosted pdf that has been OCR-optimized. For images or other media, you can also create a "page note" on 


  • Collaborative editing: Enable Hypothesis as part of your editorial workflow. Create a private group, leave comments, editing suggestions, and discuss changes to be made.
  • Reader feedback: Use Hypothesis as part of the peer-review process or leave the option open for anyone who is engaging with your materials. 
  • Student Engagement: Provide a space for students to interact with course materials and one another. 

Chrome is the optimal browser for using Hypothesis. There are other ways to use Hypothesis outside of the Chrome extension, including a bookmarklet for Firefox and other browsers.

Need Assistance?

Please reach out to librarian, Christina Hilburger, with any questions. We are happy to provide additional support.

For Instructors

Whether you’re teaching with digital texts, or you’re focused on web literacy or digital citizenship, you and your students can use Hypothesis to annotate course readings collaboratively.

Here are some resources to help you get started with Hypothesis:

For model assignments, product tutorials, teacher testimonials, and much more, visit the Educator Resource Guide. Direct your students to the Student Resource Guide for student-centered materials from tips for best annotation practices to inspirational poetry about marginalia.

From Hyptohesis for Education

Hypothesis for Education Videos



Daniel A. Reed LibraryThe State University of New York at Fredonia • 280 Central Ave., Fredonia, NY 14063 • 716-673-3184 • Fax: 716-673-3185 •