![Preview of Unpaywall](https://addons.mozilla.org/user-media/addon_icons/791/791685-64.png?modified=mcrushed)
Unpaywall by Impactstory team
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
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![When you encounter a paywalled article, a colored tab gives you a link to a free PDF, if we can find one in our index of 10M+ open-access articles.](https://addons.mozilla.org/user-media/previews/thumbs/182/182794.jpg?modified=1622132687)
About this extension
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.
Unpaywall is a free, open-source project from Our Research, a nonprofit dedicated to making scholarly research more open, accessible, and reusable.
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This add-on needs to:
- Access your data for all websites
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- Add-on Links
- Version
- 3.98
- Size
- 675,66 KB
- Last updated
- pirms 3 gadiem (2021. gada 28. jūl)
- Related Categories
- License
- The MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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Release notes for 3.98
added support for psyarxiv.com
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