# Active\_flash

> Modify the while simulating a mobile viewport

Canonical page: [https://chrome-stats.com/d/active\_flash](https://chrome-stats.com/d/active_flash)

## Overview

- **ID:** `active_flash`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** 李先生
- **Category:** games-entertainment
- **Daily users:** 19
- **Version:** 1.3
- **Last updated:** 2021-03-01
- **First published:** 2021-03-01
- **Size:** 9.14 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/active_flash/)

## Description

Active_flash is a Firefox add-on that enables users to modify the  by simulating a mobile viewport. With this powerful tool, you can easily test and optimize your website's responsiveness and design for mobile devices.

## Rankings

- #25,253 — Overall
- #39 — flash
- #41 — adobe flash
- #63 — flashcards
- #207 — modify

## Permissions and access

### 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 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

- [ActiveFlash](https://chrome-stats.com/d/activeflash) — 348 users, 5.00 / 5
- [falsh](https://chrome-stats.com/d/falsh) — 87 users
- [windowflash](https://chrome-stats.com/d/windowflash)
- [colorflash](https://chrome-stats.com/d/colorflash)
- [m/sflash](https://chrome-stats.com/d/m-sflash)
- [Win-flash](https://chrome-stats.com/d/win-flash)
- [flash-01](https://chrome-stats.com/d/flash-01)
- [flash1](https://chrome-stats.com/d/flash1)
- [flash lightning](https://chrome-stats.com/d/flash-lightning)
- [royal\_flash](https://chrome-stats.com/d/royal_flash)
- [xflash](https://chrome-stats.com/d/xflash) — 5.00 / 5
- [FlashTime](https://chrome-stats.com/d/flashtime) — 4.00 / 5

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