---
title: "Open Access Button – Chrome extension stats, history and permissions"
description: "2,000 users, rated 5.00 by 1 person. Version 2.4.0, updated 2026-08-24. Requests 4 permissions."
url: "https://extensiontracker.com/extension/dpfbhlljgnjgijghhfodhambledljbja"
---

# Open Access Button

Live in the Chrome Web Store.

- Users: 2,000
- Rating: 5.00 from 1 rating
- Last checked: 2026-11-07 21:48 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: +1,055 (+111.6%)
- Rank by users: #14,552 of 292,125 live extensions
- Rank in Education: #438 of 12,901

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

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

- Extension ID: `dpfbhlljgnjgijghhfodhambledljbja`
- Developer: [PaperPanda](https://extensiontracker.com/developer/u3f00f9b0ec17e8e67201ed11a6e2d6cc)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2026-08-09
- Last updated: 2026-08-24
- Version: `2.4.0`
- Size: 60.45 KiB
- Minimum Chrome: 88
- Languages (19): Deutsch, English, Indonesia, Melayu, Nederlands, Tiếng Việt, Türkçe, español, français, italiano, polski, Ελληνικά, русский, العربية, မြန်မာ, 中文（中国）, 中文（台灣）, 日本語, 한국어
- Website: `open-access-button.org`
- Support page: `https://www.open-access-button.org/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/open-access-button/dpfbhlljgnjgijghhfodhambledljbja>
- View its code or download CRX: <https://crxpeek.com/extension/dpfbhlljgnjgijghhfodhambledljbja>
- Search Google for the ID: <https://www.google.com/search?q=%22dpfbhlljgnjgijghhfodhambledljbja%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-07 | 2,000 | 5.00 | 1 |
| 2026-11-01 | 2,000 | 5.00 | 1 |
| 2026-10-25 | 2,000 | 5.00 | 1 |
| 2026-10-18 | 1,000 | 5.00 | 1 |
| 2026-09-27 | 945 | – | – |

## What changed

Every change found on a check, newest first.

- 2026-10-19: No longer trusted by Enhanced Safe Browsing.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `https://*/*`: Every website

### Sites where it runs scripts

- `https://annas-archive.gd/scidb/*`: annas-archive.gd

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [PaperPanda — Get millions of research papers](https://extensiontracker.com/extension/bemebjmedbchekdgnnieldmdhdnfnfnn) | 70,000 | 4.43 | 96 | Education |
| [Open Research Button](https://extensiontracker.com/extension/dacjlklfannlijcjfljgkieikajciabg) | 30,000 | 4.36 | 59 | Education |

All 3 extensions by [PaperPanda](https://extensiontracker.com/developer/u3f00f9b0ec17e8e67201ed11a6e2d6cc).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-11-07 21:48 UTC; next check around 2026-11-15.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Open Access Button” (dpfbhlljgnjgijghhfodhambledljbja). Chrome Web Store data, last checked 2026-11-07. https://extensiontracker.com/extension/dpfbhlljgnjgijghhfodhambledljbja. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_dpfbhlljgnjgijghhfodhambledljbja,
  title   = {Open Access Button (dpfbhlljgnjgijghhfodhambledljbja)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-07},
  url     = {https://extensiontracker.com/extension/dpfbhlljgnjgijghhfodhambledljbja},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/dpfbhlljgnjgijghhfodhambledljbja>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.