Open Access Button icon

Open Access Button

by PaperPanda · open-access-button.org · Education
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Find free, legal versions of paywalled research papers and download PDFs in one click.

Users
1,000
+825 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#31K
#26K among extensions
Version
2.4.0
updated 24 Aug 2026

Users

monthly, 2 months
05001,000Aug 2026Oct 2026Oct 2026
Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months
001Aug 2026Oct 2026Oct 2026
Latest, 15 Oct 2026: 0 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 Button

Open Access Button helps you download the PDFs of the papers you need. One Button. Every Paper.™ Open Access Button finds free, legal versions of academic papers when paywalls get in the way. If the research exists open, the OAB will find it for you. When you view a scientific paper, OAB detects its DOI (Digital Object Identifier) and checks whether there is available legal open access version. Click the orange Open Access Button extension to download the PDF. Knowledge yearns to be free.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+825+471.4%00.00

Chrome Web Store search rankings

Where Open Access Button appears when people search the store, with the 30 day change
Search phrasePosition30 days
free access#26new

Version history

2 versions recorded
2.4.024 Aug 2026
2.3.09 Aug 2026

Details

Category
Education
First seen
9 Aug 2026
Size
60 KB
Languages
de, en, id, ms, nl, vi, tr, es
Pricing
Free
Privacy policy
open-access-button.org
Support
open-access-button.org
Extension ID
dpfbhlljgnjgijghhfodhambledljbja

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storageactiveTabscripting
Site access
https://*/*
Can read and change data on every website you visit.

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