Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
What is Unpaywall?
"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.
Add-on stats
By: Impactstory team
Rating: 4.39
(232)
Creation date: 2017-03-04
Weekly download count: 1,104
Firefox on Android: Yes
Risk impact: Moderate risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 2
Permissions:
Size: 691.88K
Email: su*****@unpaywall.org
URLs: Website ,Privacy policy
Ranking
# 266
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Add-on summary
When you view a paywalled scholarly article, Unpaywall automatically checks its open database of 16 million legal, open-access articles. If there's an open version somewhere, you'll see a green tab on the article. Click the tab and read for free, legally!
Unpaywall is a free, open-source project from Our Research, a nonprofit dedicated to making scholarly research more open, accessible, and reusable.
User reviews
Pros
- It does exactly what it says
- Extensive repertoire of academic papers
- Very useful addon
- Saves hours of research time
Cons
- Doesn't work on certain pages
- Functionality reported to not work for some users
Most mentioned
- Useful for accessing academic papers
- Facilitates research
- Issues with page compatibility
Recent reviews
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Add-on safety
Risk impact
Unpaywall requires a few sensitive permissions. Exercise caution before installing.
Risk likelihood
Unpaywall has earned a good reputation and can be trusted.
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