# Screen Sizer

> Screen Sizer allows you to size up your website's appearance on different mobile devices. Test responsiveness and design elements for optimal performance.

Canonical page: [https://chrome-stats.com/d/screen-sizer](https://chrome-stats.com/d/screen-sizer)

## Overview

- **ID:** `screen-sizer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Sunwin
- **Daily users:** 19
- **Weekly downloads:** 1
- **Version:** 1.0
- **Last updated:** 2024-03-12
- **First published:** 2024-03-11
- **Size:** 13 KB
- **Data as of:** 2026-05-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/screen-sizer/)

## Description

Screen Sizer offers developers a professional tool for examining their website's appearance on a range of mobile devices. Featuring popular models like iPhone X and Galaxy S9, ensure a polished display across all screens.

## 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

- [Mobile Screen Viewer](https://chrome-stats.com/d/mobile-screen-viewer) — 2 users
- [Mobile Screen Tester](https://chrome-stats.com/d/mobile-screen-tester) — 1 users
- [ScreenSimulate](https://chrome-stats.com/d/screensimulate)
- [Mobile Screen Simulator](https://chrome-stats.com/d/mobile-screen-simulator) — 121 users, 1.00 / 5
- [Screen Sizer](https://chrome-stats.com/d/screen-sizer-tool) — 46 users
- [Screen Resolution Simulator](https://chrome-stats.com/d/screen-resolution-simulator) — 84 users
- [Mobile Screen Tester Pro](https://chrome-stats.com/d/mobile-screen-tester-pro) — 1 users
- [MobileScreen Tester](https://chrome-stats.com/d/mobilescreen-tester) — 1 users
- [Mobile Experience Simulator](https://chrome-stats.com/d/mobile-experience-simulator) — 5 users
- [Responsive Preview](https://chrome-stats.com/d/responsive-preview) — 3 users
- [ResponsiveInspect Pro](https://chrome-stats.com/d/responsiveinspect-pro)
- [Device Screen Tester](https://chrome-stats.com/d/device-screen-tester) — 2 users

---

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