# Replace New Window Start Page

> Replaces the new window startup page if it matches a specific URL. This is useful when the IT department forces a specific URL as the new window startup page.

Canonical page: [https://chrome-stats.com/d/replace-new-window-start-page](https://chrome-stats.com/d/replace-new-window-start-page)

## Overview

- **ID:** `replace-new-window-start-page`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Hubisan
- **Category:** tabs
- **Version:** 1.0.0
- **Last updated:** 2026-03-17
- **First published:** 2026-03-14
- **Size:** 21 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/replace-new-window-start-page/)
- **Website:** [https://github.com/hubisan/replace-new-window-startup-page](https://github.com/hubisan/replace-new-window-startup-page)

## Description

A Firefox extension that replaces the new window startup page if it matches a specific URL. This is particularly useful in managed IT environments where a specific startup page is forced, but the user prefers a different one (like about:blank or a personal homepage).

<strong>Features</strong>
<ul><li><strong>URL Blocking/Redirection</strong>: Automatically detects when a specific startup URL is loaded and redirects the tab.</li><li><strong>Configurable</strong>: Easily set the source URL (the one to replace) and the target URL (the destination) via the extension options.</li><li><strong>Minimalist</strong>: Lightweight and privacy-focused.</li></ul>

## Rankings

- #145,249 — Overall
- #114 — live start page
- #200 — replace

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

## Safety

- **Risk impact:** High 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/replace-new-window-start-page)