---
title: "Open Research Button – Chrome extension stats, history and permissions"
description: "30,000 users, rated 4.36 by 59 people. Version 2.3.0, updated 2026-08-06. Requests 4 permissions."
url: "https://extensiontracker.com/extension/dacjlklfannlijcjfljgkieikajciabg"
---

# Open Research Button

Live in the Chrome Web Store.

- Users: 30,000
- Rating: 4.36 from 59 ratings
- Last checked: 2026-09-26 23:27 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #3,261 of 264,703 live extensions
- Rank in Education: #120 of 11,063

## The listing

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

Summary from the listing:

> Open Research Button helps you download papers

- Extension ID: `dacjlklfannlijcjfljgkieikajciabg`
- Developer: [PaperPanda](https://extensiontracker.com/developer/u3f00f9b0ec17e8e67201ed11a6e2d6cc)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2025-10-04
- Last updated: 2026-08-06
- Version: `2.3.0`
- Size: 75.55 KiB
- Minimum Chrome: 88
- Languages (18): Deutsch, English, Indonesia, 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-research-button/dacjlklfannlijcjfljgkieikajciabg>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fdacjlklfannlijcjfljgkieikajciabg>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 30,000 | 4.36 | 59 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## 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 | 4.47 | 96 | Education |
| [Open Access Button](https://extensiontracker.com/extension/dpfbhlljgnjgijghhfodhambledljbja) | 945 | – | – | 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 2026-09-26 23:27 UTC; next check around 2026-09-28.

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

## Cite this page

Extension Tracker. “Open Research Button” (dacjlklfannlijcjfljgkieikajciabg). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/dacjlklfannlijcjfljgkieikajciabg. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_dacjlklfannlijcjfljgkieikajciabg,
  title   = {Open Research Button (dacjlklfannlijcjfljgkieikajciabg)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/dacjlklfannlijcjfljgkieikajciabg},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/dacjlklfannlijcjfljgkieikajciabg>. 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. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.