# Responsive Design Tester

> Helps users test website responsiveness across various devices and screen sizes to ensure optimal user experience.

Canonical page: [https://chrome-stats.com/d/responsive-design-tester](https://chrome-stats.com/d/responsive-design-tester)

## Overview

- **ID:** `responsive-design-tester`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** I9bet
- **Daily users:** 309
- **Weekly downloads:** 33
- **Rating:** 2.50 / 5 (2 ratings)
- **Version:** 1.0
- **Last updated:** 2024-03-31
- **First published:** 2024-03-30
- **Size:** 13 KB
- **Data as of:** 2026-05-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/responsive-design-tester/)

## Description

Responsive Design Tester is an essential Chrome extension tailored for web designers and developers. It allows you to easily simulate how your website appears on various devices such as mobiles, tablets, and desktops, ensuring a fluid and seamless user experience across all screen sizes. With this tool, you can confidently verify that your website maintains optimal responsiveness and design consistency, enhancing usability and engagement.

By integrating this extension into your development workflow, you optimize your site's adaptability to diverse device dimensions, helping you deliver professionally responsive websites every time.

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension is not longer available in the store

## Similar extensions and apps

- [Responsive Design Inspector](https://chrome-stats.com/d/responsive-design-inspector) — 4 users
- [Responsive Design Tester Pro](https://chrome-stats.com/d/responsive-design-tester-pro) — 13 users, 1.00 / 5
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- [Mobile Device Tester](https://chrome-stats.com/d/mobile-device-tester) — 5 users
- [Responsive Design Mode Lite](https://chrome-stats.com/d/responsive-design-mode) — 7 users
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- [Device Viewport Tester](https://chrome-stats.com/d/device-viewport-tester) — 4 users
- [ResponsiveInspect Pro](https://chrome-stats.com/d/responsiveinspect-pro)
- [Multi-Device Tester](https://chrome-stats.com/d/multi-device-tester) — 4 users

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