# Responsive dev

> Easy development tool that shows your website on multiple screens

Canonical page: [https://chrome-stats.com/d/responsive-dev?hl=ja](https://chrome-stats.com/d/responsive-dev?hl=ja)

## Overview

- **ID:** `responsive-dev`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jelle Max
- **Category:** web-development
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 0.1
- **Last updated:** 2021-04-22
- **First published:** 2021-04-21
- **Size:** 15 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/responsive-dev/)

## Description

Responsive dev is an easy-to-use development tool for Firefox that allows you to view your website on multiple screens, making it simple to ensure your website is responsive and optimized for various devices.

## Rankings

- #131,609 — Overall

## 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

- [Responsive Design Mode Lite](https://chrome-stats.com/d/responsive-design-mode) — 7 users
- [Responsive Viewer](https://chrome-stats.com/d/responsive-vieweree) — 99 users
- [Responsive Viewer GT](https://chrome-stats.com/d/responsive-viewer-gt) — 52 users
- [Responsive Mobile Simulator](https://chrome-stats.com/d/responsive-mobile-simulator) — 15 users
- [Responsive Check](https://chrome-stats.com/d/responsive-check) — 38 users, 4.00 / 5
- [ScreenLab | Multi-Screen Preview](https://chrome-stats.com/d/screenlab) — 11 users
- [Mobile Screen Viewer](https://chrome-stats.com/d/mobile-screen-viewer) — 2 users
- [Responsive View Simulator](https://chrome-stats.com/d/responsive-view-simulator) — 232 users
- [Responsive Design Tester Pro](https://chrome-stats.com/d/responsive-design-tester-pro) — 13 users, 1.00 / 5
- [ResponsiveViewer Plus](https://chrome-stats.com/d/responsiveviewer-plus) — 1 users
- [mobile-simulator-tool](https://chrome-stats.com/d/mobile-simulator-tool) — 17 users
- [ResponsiveRadar](https://chrome-stats.com/d/responsiveradar)

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Source: [Chrome-Stats](https://chrome-stats.com/d/responsive-dev?hl=ja)