Unpaywall
Overview
Unpaywall is a Chrome extension developed by extension.
According to the data from Chrome web store, current version of Unpaywall is 3.98, updated on 2021-07-29.
600,000+ users have installed this extension.
201 users have rated this extension with an average rating of .
developer website: unpaywall.org
Legally get full text of scholarly articles as you browse.
Get full text of scholarly articles as you browse. When you view a research article, Unpaywall automatically looks for a copy in our index of 20 million free, legal fulltext PDFs. If we find one, click the green tab to read the article.
Unpaywall points you to legal, author-posted manuscripts that are hosted on university and government web servers. We are pointing to versions that have been posted with the full and explicit authorization of the publishers themselves.
These free, author-posted manuscripts are often called "Green Open Access" and are a longstanding and completely legal part of the scholarly communications ecosystem. The majority of scholarly journals permit authors to "self-archive" their papers on university and government web servers. It's these legally self-archived papers that Unpaywall helps users find. Any papers posted outside of publisher permissions are NOT included in our index.
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张huayu
2022-03-23
现在2022年了,但2020年的文章还是看不成,可能是由于学科问题吗,感觉sci-hub会好些 |
Evelyn Taronas
2022-03-21
i did research and it doesn't work at all, it have paywall tho but i did not see the lock icon the side of my desktop |
Nash 52
2022-02-18
Ja richtig |
Zuzana Kocsisova
2022-01-15
Works so well! Super easy to use. |
Sky Jaap
2022-01-07
Makes it easy to find the pdf version of an artikle without clicking though several links. |