# Dark Background Anti-Flash

> Dark Background Anti-Flash reduces sudden white flashes on bright pages by using a temporary dark overlay that fades out smoothly. We also have optional CSS background darkening to force dark theme on pages that do not have it.

Canonical page: [https://chrome-stats.com/d/dark-background-anti-flash](https://chrome-stats.com/d/dark-background-anti-flash)

## Overview

- **ID:** `dark-background-anti-flash`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** David
- **Category:** appearance,tabs
- **Daily users:** 13
- **Weekly downloads:** 4
- **Rating:** 4.50 / 5 (4 ratings)
- **Version:** 1.3.1
- **Last updated:** 2026-08-19
- **First published:** 2026-03-29
- **Size:** 58 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/dark-background-anti-flash/)
- **Website:** [https://davefrassoni.com/darkbg/](https://davefrassoni.com/darkbg/)

## Description

<ol><li>Install add-on on Firefox desktop.</li><li>Open a new tab and confirm dark background.</li><li>Open a bright website (for example a white-background page) and confirm dark preload + smooth transition.</li><li>In Options, enable bright-site override and set custom color; reload the same site and confirm override.</li><li>Add a hostname to “Always force custom color” and confirm it always uses the custom color.</li><li>Add a hostname to exclusions and confirm the add-on skips that site.</li></ol>

## Rankings

- #29,140 — Overall
- #40 — flash
- #54 — background
- #59 — hd backgrounds
- #67 — adobe flash
- #98 — flashcards

## Permissions and access

### Permissions

- `menus`
- `storage`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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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Source: [Chrome-Stats](https://chrome-stats.com/d/dark-background-anti-flash)