Mobile Viewport Switcher

Extension Tools5 users

Item media 1 (screenshot) for Mobile Viewport Switcher

Overview

Apply a shared responsive viewport to user-selected websites

登録したWebサイトを、指定したスマートフォン幅のviewportで表示するChrome拡張機能です。サイトごとに適用・無効を設定でき、縦画面・横画面それぞれのviewport幅を指定できます。 Chrome Debugger APIを使用してブラウザのviewportサイズを変更します。User-Agentやページ内容は変更・収集せず、外部サーバーへの通信も行いません。

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Details

Version
1.0.0
Updated
September 1, 2026
Flag concern
Offered by
knocker
Size
43.64KiB
Languages
日本語
Developer
Email
knocker.dev@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Mobile Viewport Switcher has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Mobile Viewport Switcher handles the following:

Web history

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

サイト別カスタム背景色

0.0

サイトごとに異なる背景色（グラデーション対応）を設定できる拡張機能

Be Responsive

2.3

Be Responsive helps you to build smooth and responsive websites by rendering your website in both desktop and mobile view.

Page to Sidebar

3.5

See your desired website in the browser side panel.

Spacing Inspector

0.0

Visualize CSS margins and padding on webpages

Mind Cursor - Hands-Free Web Control

5.0

Empowers users with limited mobility to navigate and interact with the web using facial gestures and voice commands.

Viewport Dimensions

3.7

Displays the current viewport dimensions in real-time as you resize the browser window.

CSS Injector

0.0

Upload CSS on websites without even refreshing! (Client-Side)

Dynamic Cursor

5.0

A Chrome extension that allows a user to change their cursor based on the website they are on

Widescreen Browsing

4.8

Limit the width of webpages for a better widescreen experience

Accessibility helper

0.0

Helps disabled users to access and use any website

Mobile View Extension

4.8

Use Mobile View Extension for testing mobile websites with a responsive website checker, a responsive design test, and previews.

Scroll Element Capture

5.0

Capture the entire scrollable area of a web page by selecting it