Open Access Helper Web

Helps you find Open Access copies of paywalled scientific articles, by utilizing Unpaywall and core.ac.uk APIs

Open Access Helper Web is available to install from Chrome Web Store and for download from this page. It has 4,000+ active users The latest version is 2025.2.2, and it was published 14 days ago.

View source code

Total download count: 153 (Only count downloads from Chrome-Stats)

All available versions

You can find the current and older versions of Open Access Helper Web 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
2025.2.2	CRX · ZIP · Source code	419.84K	1	2025-01-08
2025.2.1	Paid users only	419.84K	0	2025-01-06
2025.2	Paid users only	419.84K	0	2025-01-06
2025.1	Paid users only	405.50K	0	2024-12-23
2024.1	Paid users only	404.48K	2	2024-08-11
2023.12	Paid users only	396.29K	3	2023-12-09
2023.10	Paid users only	394.24K	3	2023-10-08
2023.9.1	Paid users only	394.24K	3	2023-09-10
2023.8.1	Paid users only	396.29K	4	2023-07-29
2023.4.1	Paid users only	363.52K	4	2023-04-18
2023.4	Paid users only	363.52K	6	2023-04-10
2022.11	Paid users only	366.59K	4	2022-11-25
2022.10	Paid users only	305.15K	4	2022-10-02
2022.9	Paid users only	305.15K	4	2022-09-25
2022.7	Paid users only	304.13K	5	2022-07-31
2022.3	Paid users only	247.81K	4	2022-06-06
2022.2	Paid users only	217.09K	6	2022-02-13
2022.1	Paid users only	217.09K	6	2021-12-24
2021.5	Paid users only	100.78K	6	2021-08-07
2021.4	Paid users only	100.52K	8	2021-06-18
2021.3	Paid users only	99.08K	8	2021-03-31
2021.2	Paid users only	98.98K	8	2021-03-05
2021.1.3	Paid users only	98.78K	8	2021-03-01
2021.1.2	Paid users only	97.85K	8	2021-02-20
2021.1.1	Paid users only	96.90K	8	2021-02-10
2021.1	Paid users only	96.86K	8	2021-02-06
2020.2.2	Paid users only	95.23K	8	2020-12-22
2020.2.1	Paid users only	95.22K	8	2020-12-05
2020.1.1	Paid users only	90.10K	8	2020-11-25
2020.0.1	Paid users only	78.28K	8	2020-10-20

Install CRX file

An CRX file is the file format used for distributing and installing browser extensions in Google Chrome, Microsoft Edge, and other Chromium-based browsers. These extensions add functionalities and features to the Chrome browser, enhancing user experience by integrating additional tools directly into the browsing interface. Similar to an executable file, a CRX file contains all the components needed for an extension to run, including JavaScript code, images, CSS files, and other resources.

Option 1: The easy way (for Windows users only)

Download and run chrome-stats.exe file on your PC. This method will allow you to install Chrome extensions directly from chrome-stats.com in one click. You only need to do this once!
Type in chrome://restart in the URL bar to restart the browser for the changes to take effect.
Download and install the Open Access Helper Web CRX file

Option 2: Advanced method

Download Open Access Helper Web CRX file
NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to use option 1, or download the ZIP file instead.
In the URL bar, go to chrome://extensions
Enable Developer mode
Drag and drop the downloaded Open Access Helper Web CRX file into the Extensions page
When prompted, click Add extension to install Open Access Helper Web.

Install ZIP file

Download and unpack the Open Access Helper Web ZIP file to a directory of your choice.
In Chrome browser, go to chrome://extensions
Enable Developer mode.
Click on the Load Unpacked button.
Select the directory of with the unpacked Open Access Helper Web ZIP file from step 1. Open Access Helper Web is now installed on your browser.