Responsive Design
Preview any website on 40+ devices. Compare responsive layouts with real device resolutions. Free for developers.
As of June 2026, Responsive Design has 13 users in the Developer Tools category.
Usersno change0%
13
13
Ratingno change0%
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— reviews
Reviewsno change0%
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Version
1.0.1
Manifest V3
90-day change · In the last 90 days this extension 1 version update.
History
10 snapshotsTracking since Apr 18, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 18, 2026 | — | — | — | 1.0.0 |
| Apr 23, 2026 | — | — | — | 1.0.0 |
| Apr 30, 2026 | 1 | — | — | 1.0.1 |
| May 7, 2026 | 4 | — | — | 1.0.1 |
| May 11, 2026 | 6 | — | — | 1.0.1 |
| May 17, 2026 | 5 | — | — | 1.0.1 |
| May 23, 2026 | 6 | — | — | 1.0.1 |
| May 30, 2026 | 7 | — | — | 1.0.1 |
| Jun 5, 2026 | 8 | — | — | 1.0.1 |
| Jun 14, 2026 | 9 | — | — | 1.0.1 |
| Now | 13 | — | — | 1.0.1 |
Permissions & access
- Permissions
- activeTabstoragetabs
- Host access
- None declared
Screenshots
About
Responsive Design Checker lets you preview any website on 40+ real device resolutions instantly — right from your browser. FEATURES: • 52 real devices: iPhone 15, 15 Pro Max, SE, Galaxy S24, Pixel 8, iPad, Surface Pro, MacBook, Desktop 4K, and many more • Multi-preview: view your site on phone, tablet, and desktop side by side • Custom resolution: enter any width × height to test specific breakpoints • Device frames: toggle realistic device bezels for presentations and screenshots • Rotate: switch between portrait and landscape with one click • Screenshot: capture the current preview as PNG • Zoom controls: fit to screen, 1:1, zoom in/out • Keyboard shortcuts: R (rotate), S (screenshot), F (fit), +/- (zoom) • Dark interface designed for comfortable, distraction-free testing HOW IT WORKS: 1. Click the extension icon or enter any URL 2. Pick a device from the list (organized by category: iPhone, Android, Tablet, Desktop) 3. Your site loads in a real-size iframe — test responsive behavior instantly PERFECT FOR: • Web developers checking responsive breakpoints • UI/UX designers reviewing layouts across devices • QA testers verifying cross-device rendering • Freelancers presenting designs to clients 100% FREE — all features unlocked, no account required, no data collected. Privacy: Responsive Design Checker does not collect, store, or transmit any personal data. All previews run locally in your browser. No analytics, no tracking, no cookies.
Technical
- Version
- 1.0.1
- Manifest
- V3
- Size
- 21.71KiB
- Min Chrome
- 88
- Languages
- 2
- Featured
- No
Metadata
- ID
- oimmlbaipoamplpphgcijigjbhgafhef
- Developer ID
- ubf51618f3da955fc92a8182af477a398
- Developer Email
- [email protected]
- Created
- Apr 17, 2026
- Last Updated (Store)
- Apr 20, 2026
- Last Scraped
- Jun 14, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- https://responsive.sydney-boisseau.com/privacy
Data sourced from the Chrome Web Store · last verified Jun 14, 2026.