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Quick Look

Hypothesis allows users to collaboratively annotate, highlight, and tag web pages and PDF documents for discussions, research, and personal notes.

AI Overview

Who is this for?

Students, researchers, educators, and anyone who needs to annotate digital content.

Key Features

  • Annotate web pages and PDFs
  • Highlight and tag content
  • Collaborate and discuss annotations
  • Organize research notes
  • Take personal notes on digital content

Reviews Analysis

Overall Sentiment

Mixed

Users find Hypothesis useful for annotation and research, but some encounter technical issues and desire more features.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • Excellent for annotating web pages and PDFs
  • Useful for academic research and collaboration

Points to Consider

  • × Some users report occasional bugs or performance issues.
  • × Limited functionality for certain document types or complex annotations.

Official Description

From the Developer


Collaboratively annotate, highlight, and tag web pages and PDF documents.

Use Hypothesis to hold discussions, read socially, organize your research, and take personal notes on webpages, PDFs and EPUBs.

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.1/5.0

    (222 ratings)

  • Users:300,000
  • Version:1.1717.0.0
  • Updated:Oct 17, 2025
  • Developer:Visit Website →

Stats from Chrome Web Store