# dedup

> Close duplicate tabs when a tab with the same url is opened

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

## Overview

- **ID:** `dedup`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** kamyar
- **Category:** appearance,tabs
- **Daily users:** 2
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 0.0.3resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-11-14
- **Size:** 8.26 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/dedup/)
- **Website:** [https://github.com/raymak/fx-productivity-tools/tree/master/dedup](https://github.com/raymak/fx-productivity-tools/tree/master/dedup)

## Description

dedup is a Firefox add-on that closes duplicate tabs when a tab with the same URL is opened.

## Rankings

- #62,811 — Overall

## Permissions and access

### Permissions

- `tabs`

## 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 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).

## Similar extensions and apps

- [DuDup Tabs Closer](https://chrome-stats.com/d/dudup-tabs-closer) — 5 users
- [DupeTabs](https://chrome-stats.com/d/dupetabs) — 29 users
- [Dupli Tabs Closer](https://chrome-stats.com/d/dupli-tabs-closer) — 5 users
- [Live Tab Deduplication](https://chrome-stats.com/d/live-tab-deduplication)
- [Auto Close Duplicate Tabs](https://chrome-stats.com/d/close_duplicate_tabs) — 4 users
- [Auto Close Duplicate Tabs](https://chrome-stats.com/d/autocloseduplicatetabs) — 3 users
- [Close Same Tabs](https://chrome-stats.com/d/close-same-tabs) — 5 users
- [Close duplicate tabs](https://chrome-stats.com/d/close-duplicate-tabs-webext) — 195 users, 4.12 / 5
- [Close New Duplicate Tabs](https://chrome-stats.com/d/close-new-duplicate-tabs) — 132 users, 5.00 / 5
- [Unduplify](https://chrome-stats.com/d/unduplify) — 1 users
- [Tab Deduper](https://chrome-stats.com/d/tab-deduper) — 46 users, 4.40 / 5
- [Dedupe: Tab Deduplicator](https://chrome-stats.com/d/dedupe-tab-deduplicator) — 9 users

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