# Duplicate Tab Detector

> Automatically detects and closes duplicate tabs across all windows for a cleaner browsing experience.

Canonical page: [https://chrome-stats.com/d/duplicate-tab-detector](https://chrome-stats.com/d/duplicate-tab-detector)

## Overview

- **ID:** `duplicate-tab-detector`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** lpelov
- **Category:** tabs
- **Daily users:** 342
- **Weekly downloads:** 12
- **Rating:** 4.78 / 5 (9 ratings)
- **Version:** 3.60.0
- **Last updated:** 2026-09-02
- **First published:** 2024-10-13
- **Size:** 115 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/duplicate-tab-detector/)

## Description

Duplicate Tab Detector is a lightweight Chrome extension that automatically finds and removes duplicate tabs across all open windows, keeping your browser tidy and fast. It detects duplicates in real time and provides one-click closing, silent auto-closing, and a clear list view for manual control.

Customize detection with ignore patterns or specific URLs, choose silent auto-close or prompt before removal, and scan across multiple windows. Ideal for multitaskers, researchers, and anyone who wants a focused, clutter-free browsing experience.

## Rankings

- #6,259 — Overall
- #18 — detect
- #85 — education
- #98 — ai tech
- #109 — education
- #112 — catalog

## Permissions and access

### Permissions

- `tabs`
- `storage`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension was recently updated in the past month. New updates 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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- [Tab Options - Open source](https://chrome-stats.com/d/tab-options-open-source) — 4 users, 4.00 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/duplicate-tab-detector)