# Prevent Accidental Close

> Warns before closing Firefox, even with a single tab.

Canonical page: [https://chrome-stats.com/d/prevent-accidental-close](https://chrome-stats.com/d/prevent-accidental-close)

## Overview

- **ID:** `prevent-accidental-close`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Dame
- **Category:** other
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-03-10
- **First published:** 2025-03-09
- **Size:** 8.21 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/prevent-accidental-close/)

## Description

How It Works

<code>If you try to close any tab, a confirmation dialog appears.
If you try to close the whole browser, it will also ask for confirmation.
</code>

## Rankings

- #99,738 — Overall
- #43 — prevent
- #233 — close

## Permissions and access

### Permissions

- `tabs`

### Content script matches

- `<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).

## Similar extensions and apps

- [Tab Close Confirmation](https://chrome-stats.com/d/tab-close-confirmation) — 1 users
- [Prevent Closing Window](https://chrome-stats.com/d/prevent-closing-window) — 64 users, 3.70 / 5
- [Don't Close Last Tab](https://chrome-stats.com/d/don-t-close-last-tab) — 14 users
- [Page Lock](https://chrome-stats.com/d/page-lock) — 173 users, 3.25 / 5
- [Disable Tab Close](https://chrome-stats.com/d/disable-tab-close) — 225 users, 4.20 / 5
- [Tab Lock (Ask before closing)](https://chrome-stats.com/d/tab-lock-ask-before-closing) — 46 users, 5.00 / 5
- [Minimize On Closing Last Tab](https://chrome-stats.com/d/minimize-on-closing-last-tab) — 17 users, 5.00 / 5
- [Close After Last Tab](https://chrome-stats.com/d/close-after-last-tab) — 2 users, 3.57 / 5
- [Tab Double-Click Close](https://chrome-stats.com/d/double-click-tab-close) — 27 users, 5.00 / 5
- [Close Tab](https://chrome-stats.com/d/close-tab) — 120 users, 5.00 / 5
- [Close Similar Tabs](https://chrome-stats.com/d/close-similar-tabs) — 158 users, 5.00 / 5
- [Don't Close Last Tab](https://chrome-stats.com/d/dont-close-last-tab) — 198 users, 2.06 / 5

---

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