Mobile Responsive Simulator & Tester for responsive web design, mobile view inspection, CSS breakpoints & device emulation.
Users
35
+14 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#123K
#103K among extensions
Version
1.0.0
updated 17 Aug 2026
Users
monthly, 2 months
Latest, 16 Oct 2026:35 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 16 Oct 2026:3 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Mobile Responsive Simulator & Tester by HAX-AI
Mobile Responsive Simulator & Tester by HAX-AI
Test responsive websites directly in your browser with Mobile Responsive Simulator & Tester by HAX-AI. Preview websites across mobile, tablet, desktop, and custom viewport sizes with realistic device frames, orientation controls, screenshots, and recording tools without launching a separate emulator.
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WHY USE MOBILE RESPONSIVE SIMULATOR & TESTER?
Responsive testing is an essential part of modern web development. This extension provides a convenient browser workspace for evaluating how websites behave across different screen sizes, breakpoints, and orientations.
KEY FEATURES
Device & Viewport Simulation
Test websites using a wide range of mobile, tablet, foldable, desktop, and TV viewport presets, or use custom dimensions.
Portrait & Landscape Orientation
Quickly switch between portrait and landscape layouts to check responsive behavior.
Realistic Device Frames
Preview websites inside visual device frames for testing, presentations, and design reviews.
Embedded Website Testing
Test live websites, staging environments, and locally hosted projects inside the simulator.
Screenshots
Capture simulated viewports or full-page screenshots for documentation and bug reporting.
Screen Recording
Record automatically scrolling webpage walkthroughs for visual demonstrations and QA reports.
Responsive Development Tools
Inspect how layouts respond to different viewport dimensions and device orientations.
Mobile User-Agent Simulation
Simulate mobile browser characteristics to test websites using device detection.
Optional Auto Reload
Automatically refresh simulated pages when changing device orientation or viewport settings.
Lightweight Browser-Based Workflow
Evaluate responsive layouts efficiently inside your current browser context.
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WORKS WITH DIFFERENT WEBSITE ENVIRONMENTS
Use the simulator seamlessly across:
• Localhost development projects
• Staging environments
• Live production websites
• Responsive web applications
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FREQUENTLY ASKED QUESTIONS
Q: Does it work with localhost websites?
A: Yes. You can use the simulator with locally hosted development projects as well as staging and production websites.
Q: Can I switch between portrait and landscape?
A: Yes. Quick orientation controls let you switch between portrait and landscape views instantly.
Q: Can I capture full-page screenshots?
A: Yes. Full-page screenshot capture is built in for recording content beyond visible viewport bounds.
Q: Can I record a webpage?
A: Yes. Built-in screen recording can auto-scroll through a webpage while capturing a walkthrough.
Q: Does the extension collect browsing data?
A: The simulator operates locally in your browser and does not send website content to external servers for core simulation features.
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PRIVACY
Mobile Responsive Simulator & Tester is built local-first. Website simulation and testing occur entirely within your browser.
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Developed by HAX AI Technologies
Website: https://hax-ai.com/
Support: support@hax-ai.com
Growth
Window
Users
Change
Ratings
Rating
7 days
+3
+9.4%
0
0.00
30 days
+14
+66.7%
0
0.00
Chrome Web Store search rankings
Where Mobile Responsive Simulator & Tester by HAX-AI appears when people search the store, with the 30 day change