Unpaywall

Name: Unpaywall
Rating: 4.35 (240 reviews)
Author: Impactstory team

Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.

Unpaywall: Free Access to Scholarly Research Papers

"Unpaywall" is a Firefox extension designed to provide users with access to millions of legal, open-access research papers. When a user encounters a paywalled article, Unpaywall searches its comprehensive database for an open version, offering the user the opportunity to read it for free. A project of the non-profit, Our Research, Unpaywall is dedicated to making scholarly research more open, accessible, and reusable.

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Add-on stats

By: Impactstory team

Daily users: 73,170

112

Rating: 4.35

(240)

Version: 3.98 (Last updated: 2021-07-28)

Version code: 5272498

Creation date: 2017-03-04

Weekly download count: 1,131

Firefox on Android: Yes

Risk:

Permissions:

*://*.oadoi.org/*
storage

Size: 691.88K

Email: su*****@unpaywall.org

URLs: Website ,Privacy policy

Full description: See detailed description

Source: Firefox Browser Add-ons

Ranking

# 265 ▲ 2

Other rankings

#15 in Feeds, News & Blogging

#22 in Search Tools

#30 in Social & Communication ▲ 1

#2 in legal keyword 2

#20 in article keyword 24

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Other platforms

Unpaywall (v3.99)

800,000 4.04

(254)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

User-friendly interface
Helpful for accessing academic papers
Gratitude expressed by some users for the add-on

Cons

Doesn't work consistently on various pages
Only supports certain types of documents
Misleading functionality suggestions
Issues with the icon not being clickable

Most mentioned

Non-functionality on specific websites
Limited document types
User frustrations over the add-on's utility

User reviews

by ramiel, 2025-03-10

by 远离中共邪教快退出党团队, 2025-02-15

Doesn't work, can't click the icon.

by EdTheShed, 2025-02-04

View all user reviews

Add-on safety

Risk impact

Unpaywall requires a few sensitive permissions. 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

Unpaywall has earned a good reputation and can be trusted.

Risk likelihood analysis details

Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
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Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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