Responsive web design checker, how responsive is your website?

Responsinator is an tool to check responsiveness of any website.

Iframely gives responsive embed codes for YouTube, Vimeo, Instagram, Imgur, Vine, Flickr and 1500 others.

Making responsive design a little bit easier.

Send your current page to Google Mobile Friendly Test tool to verify if it is Mobile-Friendly, if it is responsive web design.

Mobile browser emulator mainly for testing the responsiveness of web pages on various mobile screen sizes

Turn selected text in a web site into voice speech using ResponsiveVoice.JS

This is a simple great untility for developers and site administrators to check their local and remote websites in multiple views.

A chrome extension for testing responsive web page, just by a click.

Test responsive design of any web page with one click. Extension works when you click to extension icon only.

Resize Page by dragging to test responsive design

Salesforce Lightning Grid System for Aura, LWC, and Custom Responsive Grid UI.

An extension to aid responsive web design

Muir plugin for Chrome notifies the Muir desktop app to synchronize responsive browser testing on mobile devices.

Make twitter.com more responsive (previously named Responsive Twitter)

A responsive grid overlay, based on the Muriel Design System.

Interactively see how a website's layout changes responsively

Mobile/Responsive Web Testing for Front-End Web Developers

Kickstart the design of your Bubble™ app with access to pre-built responsive UI elements and learning resources.

Newest Features: - All new and improved machine learning models! Enjoy more accurate and more responsive results with this new…

Convert your linkedin profile to beautiful resume with QR code & mobile resume in single click. Easy & Simple !!!

Installs a button on Discord that hides/shows the server sidebar, makes channels sidebar responsive to the browser window

Responsive grid overlay created by dennissnov help you to get pixel perfect. can be customized and support grid based design system

Calculate proportions for responsive projects.

Modernize Hyperdia English website design.

Fit Tube by Iframely gives you a quick way to get responsive embed codes for YouTube and Vimeo.

A simple tool for testing a web page responsiveness.

Reload crashed or unresponsive Chrome tabs (Aw, snap). Specifically intended for digital signage content running in kiosk mode.

Extension that replaces strings and/or words with longer ones. This can be handy when developing for responsive design

Removes ads and promoted content from fb's newsfeed. Also adds some responsiveness to it!