Unofficial Hypothesis extension

Name: Unofficial Hypothesis extension
Rating: 4.92 (25 reviews)
Author: Diego de la Hera

By: Diego de la Hera

An unofficial extension to collaboratively annotate the web using Hypothesis.

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Features & Capabilities

The Unofficial Hypothesis Extension allows you to collaboratively annotate, highlight, and tag web pages, PDFs, and EPUBs using the Hypothesis platform. Enhance your reading experience by making notes, organizing research, and engaging in discussions directly on online documents.

Key features include creating public or private annotations, replying to and sharing notes, collaborating privately in groups, and searching through all public annotations and profiles. Although unofficial and not endorsed by Hypothesis, this extension integrates seamlessly to empower your social reading and research workflows. Support its development on GitHub and enjoy a powerful tool for interactive web annotation.

User Growth & Download Statistics

Add-on

By:

Daily users:

Rating:

Version:

1.470.0.2 Last updated: 2020-10-31

Version code:

5125845

Creation date:

2020-06-07

Risk:

Permissions:

Size:

4.82MB

URLs:

Website ,Privacy policy

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-21

Compare stats and ranking:

Ranking

# 4,728 ▼ 119

Other rankings

#155 in Bookmarks ▼ 7#35 in suno keyword 12 #111 in extension keyword 80 ▼ 3#136 in extention keyword 6 ▼ 2#173 in extension guard keyword 54 ▼ 2

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Diego de la Hera

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/unofficial-hypothesis/

Website:

https://github.com/diegodlh/unofficial-hypothesis-extension

User Reviews

The Unofficial Hypothesis extension for Firefox is well-received for its ease of use and valuable functionality, especially in education and annotation tasks. Users appreciate that it fills the gap of no official Firefox extension. However, a common issue noted is the need to frequently log in, which disrupts workflow.

Pros

Provides functionality that users appreciate and find useful.
Easy to use and convenient for annotating web pages and PDFs.
Enables Hypothesis on Firefox where no official extension exists, fulfilling a need.
Valuable tool for educational purposes.

Cons

Users have to log in repeatedly, which causes inconvenience and lost time.

Recent reviews

by *****, 2026-01-14

I revisited using Hypothes.is again after not using it for a year. Finally found this extension and it works on FireFox for Windows. Haven't tried it on my Macbook M3 yet.

by ic*****, 2025-12-18

by ja*****, 2025-11-16

View all user reviews ›

Is Unofficial Hypothesis extension Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Unofficial Hypothesis extension requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Unofficial Hypothesis extension has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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