Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
Unpaywall is available to install from Firefox Browser Add-ons and for download from this page. It has 70,393 active users The latest version is 3.98, and it was published 3 years ago.
Install from Firefox Browser Add-onsTotal download count: 0 (Only count downloads from Firefox-Stats)
All available versions
You can find the current and older versions of Unpaywall here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 3.98 | XPI · ZIP · Source code | 691.88K | 0 | 2021-07-28 |
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Unpaywall ZIP file
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on , then select Install Add-on From File
- Select the Unpaywall ZIP file from step 1. Unpaywall is now installed on your browser.