# Multi-Device Tester

> Test websites on multiple devices simultaneously.

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

## Overview

- **ID:** `multi-device-tester`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Michael
- **Category:** appearance
- **Daily users:** 4
- **Version:** 1.0
- **Last updated:** 2024-06-28
- **First published:** 2024-06-28
- **Size:** 13 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/multi-device-tester/)

## Description

Multi-Device Tester enables developers to test websites on multiple devices simultaneously, providing an efficient way to ensure compatibility across various screens.

## Rankings

- #48,357 — Overall
- #19 — device

## Safety

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

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- 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).

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