# Tab Router

> Automatically moves new tabs to the right window based on URL context. Open a link from Slack or email and it lands where you're already working, not wherever your cursor happened to be.

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

## Overview

- **ID:** `tab-router`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Logan Grado
- **Category:** tabs
- **Daily users:** 1
- **Version:** 0.2.1
- **Last updated:** 2026-04-25
- **First published:** 2026-03-31
- **Size:** 15 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/tab-router/)
- **Website:** [https://github.com/logangrado/tab-router-firefox](https://github.com/logangrado/tab-router-firefox)

## Description

Tab Router keeps your browser windows organised by context.

When you open a link from outside Firefox (from Slack, email, a terminal, or anywhere else) Tab Router finds the window where you're
already working on that site and moves the tab there automatically.

Example: You have two windows open: one for <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/9e0fd6e5b19a80ba577afd51103a9b99b9e2be3fa3c9db63bef0b5613b8553e3/http%3A//gitlab.com/org/repo-A" rel="nofollow">gitlab.com/org/repo-A</a>, one for <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/bd13507403316ef4a2fd961bb3bbf160cc2dd768173d42dad8922186e5c46bed/http%3A//gitlab.com/org/repo-B" rel="nofollow">gitlab.com/org/repo-B</a>. A teammate sends you a link to <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/33c77e7d1add09ca95680ffae078c73b2d82dd6cfc9ac4edecabe6d9eb2af609/http%3A//gitlab.com/org/repo-A/issues/42" rel="nofollow">gitlab.com/org/repo-A/issues/42</a>. It lands in the first window, not wherever your cursor happened to be.

Matching is done by URL prefix, most-specific first. The window with the deepest match wins.

Links you open yourself inside Firefox — by clicking, middle-clicking, or using Ctrl+T — are left alone. Only externally-opened links are routed.

## Rankings

- #94,029 — 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).

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