ViewPortify β Mobile Simulator & Responsive Design Testing Tool for Chrome
v1.0.1 Updated Mar 1, 2026 51.67KiB
β
Recently updated
Description
π Test Responsive Designs Instantly Inside Your Browser
ViewPortify is a powerful and lightweight Mobile Simulator and Responsive Design Testing Tool for Chrome that helps developers and designers preview websites across multiple screen sizes and devices β without leaving the browser.
Quickly simulate mobile devices, adjust custom viewports, and test responsive layouts in real time.
π± Key Features
β
Mobile Device Simulation
Instantly simulate popular mobile screen sizes to see how your website looks on smartphones and tablets.
β
Custom Viewport Resizing
Manually adjust width and height to test any screen resolution. Perfect for debugging responsive breakpoints.
β
Real-Time Responsive Testing
Preview layout changes live as you resize. No page reload required.
β
Developer-Friendly Interface
Clean, distraction-free design built specifically for web developers and UI/UX designers.
β
Lightweight & Fast
Optimized for performance with minimal impact on browser speed.
π― Perfect For
Frontend Developers
Web Designers
UI/UX Designers
QA Testers
Agencies testing responsive client websites
Whether you're building landing pages, SaaS dashboards, eCommerce stores, or WordPress websites, ViewPortify makes responsive testing effortless.
π Why Choose ViewPortify?
Unlike complex developer tools, ViewPortify provides a simple, focused mobile simulation experience with quick access to responsive testing controls β all in one click.
No complicated setup.
No external tools.
Just fast and accurate viewport testing.
π Use Cases
* Test mobile-first designs
* Check responsive breakpoints
* Preview layouts before deployment
* Validate UI alignment across screen sizes
* Debug CSS media queries
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Permissions (6)
Permissions
activeTabβΉ Can access the current tab when you click the extension declarativeNetRequestβΉ Can block or redirect network requests declarativeNetRequestWithHostAccess downloadsβΉ Can manage and monitor downloads storageβΉ Can store data locally in your browser tabsβΉ Can see your open tabs and their URLs
Details
| Version | 1.0.1 |
| Updated | Mar 1, 2026 |
| Size | 51.67KiB |
| First Seen | Mar 22, 2026 |
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