Best alternatives to Responsive Tester (2026)
10 Chrome extensions that do a similar job to Responsive Tester, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Responsive Tester today
Responsive Tester alternatives, compared
- 1
Mobile Simulator – Responsive Testing Tool
Phone Simulator – Free Chrome Extension to test and preview your site on 80+ devices.
≈1M users4.9★ from 5.3K ratingsUpdated 4 days ago13 permissions- About 25× more users than Responsive Tester
- Rated 1.9 stars higher
- Updated more recently
- Asks for more permissions (13 vs 1)
- Listed under Developer Tools
- 2
Responsive Website Testing Toolkit - Multiple Viewport Simulator
An essential tool to test the responsiveness of any website on multiple screens simultaneously
≈6K users4.0★ from 23 ratingsUpdated 6 months ago6 permissions- About 6.7× fewer users than Responsive Tester
- Rated 1.0 stars higher
- Updated more recently
- Asks for more permissions (6 vs 1)
- Listed under Developer Tools
- 3
XPath Tester
Write, test, and evaluate XPath queries live on any web page. A lightweight XPath console for testers and developers.
≈6K users5.0★ from 9 ratingsUpdated 6 months agoNo special permissions- About 6.7× fewer users than Responsive Tester
- Updated more recently
- Asks for fewer permissions (0 vs 1)
- Listed under Developer Tools
- 4
Website Responsiveness Checker
Optimize your website for all devices with website responsiveness checker
≈4K users3.8★ from 4 ratingsNot updated for 3+ years1 permissions- About 10× fewer users than Responsive Tester
- Updated less recently
- Listed under Developer Tools
- 5
Responsive viewer For Chrome
View multiple screens simultaneously With Responsive viewer For Chrome
≈3K users3.6★ from 9 ratingsUpdated 8 days ago3 permissions- About 13× fewer users than Responsive Tester
- Updated more recently
- Asks for more permissions (3 vs 1)
- 6
Core Web Vitals Test
Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.
≈8K users4.9★ from 32 ratingsUpdated 20 months ago6 permissions- About 5.0× fewer users than Responsive Tester
- Rated 1.8 stars higher
- Updated more recently
- Asks for more permissions (6 vs 1)
- Listed under Developer Tools
- 7
Mobile Friendly Test - cmlabs Tools
Mobile Friendly Test helps you evaluate how well your website performs on mobile devices.
≈4K users5.0★ from 3 ratings4 permissions- About 10× fewer users than Responsive Tester
- Asks for more permissions (4 vs 1)
- Listed under Developer Tools
- 8
Exploratory Tester
Get the Test Report Before You Start Testing - Automated exploratory & accessibility testing
≈10K users4.2★ from 21 ratingsUpdated 8 days ago5 permissions- About 4.0× fewer users than Responsive Tester
- Rated 1.2 stars higher
- Updated more recently
- Asks for more permissions (5 vs 1)
- Listed under Developer Tools
- 9
SmartBear Test Extension
Chrome extension by SmartBear for functional testing of web pages.
≈10K users2.4★ from 7 ratingsUpdated 7 days ago5 permissions- About 4.0× fewer users than Responsive Tester
- Updated more recently
- Asks for more permissions (5 vs 1)
- Listed under Developer Tools
- 10
axe DevTools - Web Accessibility Testing
Accessibility Checker for Developers, Testers, and Designers in Chrome
≈400K users3.2★ from 131 ratingsUpdated 13 days ago4 permissions- About 10× more users than Responsive Tester
- Updated more recently
- Asks for more permissions (4 vs 1)
- Listed under Accessibility
Responsive Tester alternatives: questions
What is the best alternative to Responsive Tester?
By users, the most popular alternative is Mobile Simulator – Responsive Testing Tool with ≈1M users and a 4.9-star rating. The closest match by what it does is Mobile Simulator – Responsive Testing Tool.
Which Responsive Tester alternative has the best rating?
Mobile Simulator – Responsive Testing Tool has the highest rating of these alternatives with 50+ ratings: 4.9 out of 5 from 5.3K ratings.
Is there a Responsive Tester alternative that asks for fewer permissions?
XPath Tester asks for 0 permissions, against 1 for Responsive Tester.
How many alternatives to Responsive Tester are there?
We list 10 close alternatives to Responsive Tester on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.