# CORE Discovery

> One-click access to free copies of research papers whenever you hit the paywall

Canonical page: [https://chrome-stats.com/d/core-discovery](https://chrome-stats.com/d/core-discovery)

## Overview

- **ID:** `core-discovery`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** CORE Developers Team
- **Category:** search-tools
- **Daily users:** 141
- **Weekly downloads:** 3
- **Version:** 1.0.4
- **Last updated:** 2020-10-02
- **First published:** 2019-08-21
- **Size:** 228 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/core-discovery/)
- **Website:** [https://core.ac.uk](https://core.ac.uk/)

## Description

**CORE Discovery** empowers researchers with one-click access to free copies of research papers whenever they encounter paywalls. Backed by CORE's extensive dataset of millions of full-text open access papers and additional external services, it ensures users find the highest coverage of freely available academic content globally.

This free Chrome extension is uniquely developed by researchers, prioritizing privacy and providing unmatched integration with open repositories. Unlike other tools relying mainly on commercial databases, CORE Discovery excels in uncovering content even without DOIs and offers seamless repository integration, making it an indispensable tool for academic research and open knowledge discovery.

## Rankings

- #9,819 — Overall
- #6 — discover
- #11 — cover
- #29 — score
- #92 — discord
- #127 — course

## Permissions and access

### Permissions

- `storage`
- `*://core.ac.uk/*`
- `*://*.core.ac.uk/*`
- `*://api.unpaywall.org/*`

### Content script matches

- `*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/core-discovery)