Open Access Helper Web icon

Open Access Helper Web

by Claus Wolf · oahelper.org · Education
FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Helps you find Open Access copies of paywalled scientific articles, by utilizing Unpaywall and other services

Users
6,000
0 in 30 days
Rating
3.7 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#13K
#11K among extensions
Version
2026.8
updated 21 Aug 2026

Users

monthly, 3 years
1,0005,50010KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 6,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
023Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 3 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Open Access Helper Web

Open Access Helper: Effortless Access to Scholarly Articles Stop Hitting Paywalls You find the perfect paper. Then you see a paywall. Open Access Helper solves this problem. It automatically finds a free, legal version of the article instead. It uses data from Unpaywall and other trusted sources to find open access copies of scientific papers. How It Works When you open a research article, Open Access Helper checks it automatically. It looks for the article's DOI (a unique code for the paper) and searches for a free version. If a free version exists, a badge appears. Just click the badge to open the article. Before you click, you can hover over the badge to see what type of version it is: * Published Version – the final, official version * Accepted Version – the version accepted after peer review, before final formatting * Submitted Version – the first version submitted by the authors Easy Access Through Your University Does your university use EZProxy or OpenAthens? Set your university's domain one time (for example: harvard.edu). After that, one click connects you to your university library, even when you're off campus. Safe and Private All links go to official, legal copies of the articles. We do not collect personal data. We only collect anonymous usage statistics, to help us improve the extension. 👉 Install Open Access Helper today and spend less time searching, more time reading.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months+1,000+20.0%+1−1.33
1 year+1,000+20.0%+2−1.33

Chrome Web Store search rankings

Where Open Access Helper Web appears when people search the store, with the 30 day change
Search phrasePosition30 days
free access#6−4
legal#63−51

Version history

40 versions recorded
2026.821 Aug 2026
2026.713 Jul 2026
2026.6.19 Jun 2026
2026.67 Jun 2026
2026.58 May 2026
2026.29 Feb 2026
2025.113 Nov 2025
2025.106 Oct 2025

Details

Category
Education
First seen
20 Oct 2020
Size
415 KB
Languages
de, en, nl, es, fr, it, pl, sv
Pricing
Free
Privacy policy
oahelper.org
Support
oahelper.org
Extension ID
jonkgaipjeenhoccenhhccmofokbpanl

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
tabsstoragecontextMenusscripting
Site access
*://*/*
Can read and change data on every website you visit.

Alternatives to Open Access Helper Web

Extensions that rank for the same store searches or share the Education category, ordered by users