# Zotref Checker for Zotero

> Indicates items found in Zotero on Google Scholar search results and adds in-browser actions.

Canonical page: [https://chrome-stats.com/d/zotref-checker](https://chrome-stats.com/d/zotref-checker)

## Overview

- **ID:** `zotref-checker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nate
- **Category:** search-tools
- **Daily users:** 12
- **Weekly downloads:** 1
- **Version:** 0.4.23
- **Last updated:** 2026-03-18
- **First published:** 2026-03-15
- **Size:** 40 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/zotref-checker/)

## Description

Zotref Checker indicates items you already have in your Zotero library on Google Scholar and other search-result pages. It connects completely locally and privately to your Zotero application. Optional one-click actions and external search buttons can be configured in the extension settings to facilitate accessing items that are not in your library. Customize in Extensions -> Details -> Extension options.

## Rankings

- #31,569 — Overall
- #170 — checker

## Permissions and access

### Permissions

- `storage`
- `http://127.0.0.1/*`
- `http://localhost/*`

### Content script matches

- `scholar.google.com`

## Safety

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

### Analysis details

- Request access to the following domains: 0.1, localhost, google.com
- 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/zotref-checker)