Q. What is Unpaywall and how can I use it to find research articles?


What is Unpaywall? 

Unpaywall is a browser plugin that allows users to access full-text PDFs of resources for free, when available. The tool harvests content directly from over 50,000 journals and open-access repositories from all over the world, and it uses great open data from PubMed Central, the DOAJ, Crossref (particularly their license information), and DataCite.

Currently, the browser plugin/extension is compatible with Google Chrome and Mozilla Firefox.

Installing Unpaywall

Add the extension to your browser to get started:

Using Unpaywall

When you see the green unlock tab on a webpage, click it to read the full-text of a research article.

Access full-text articles through Unpaywall if there is an active green unlock icon on the webpage


  • Last Updated Feb 02, 2021
  • Views 86
  • Answered By Marisha Kelly

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