About Screen Resolution Simulator
Preview and test your website's responsive design across 15+ screen resolutions, including 4K UHD, 1080p Full HD, MacBooks, iPad tablets, and mobile smartphones inside a live interactive viewport simulator.
Website Tools
Screen Resolution Simulator
Preview a URL in common screen sizes and orientations.
Instant Results100% Client-Side Privacy100% Free Utility
Screen Resolution Simulator
Test and preview responsive web pages across smartphones, tablets, laptops, and ultra-wide 2K desktop displays with realistic viewport scaling.
Custom Dimensions (W x H)
Popular Device Presets:
Scale:
Security Notice: Major platforms (e.g. Google, Facebook, Twitter) set strict
X-Frame-Options: DENY headers to prevent clickjacking and cannot be loaded inside an iframe. Test with open websites (e.g. Wikipedia, blogs, your own development localhost, or client staging servers).iPhone 15 / 14 Pro393 × 852 px (Portrait)
Why Choose Our Screen Simulator
| Feature | Smart Toolverse | Others |
|---|---|---|
| 15+ Resolution Presets | From 320px mobile to 3840x2160 4K UHD resolutions | Limited to 3 basic sizes |
| Live Interactive Frame | Click and interact with website links inside simulated screens | Static screenshots only |
| Custom Dimension Input | Input custom pixel width and height for exact testing | Fixed presets only |
| Rotation Toggle | Easily switch between Portrait and Landscape orientations | Portrait mode only |
Common Uses & Applications
Test CSS media queries, check UI layout consistency across high-DPI displays, debug navigation menu collapses, and verify responsive design during web development.
Frequently Asked Questions
The most common resolutions are 1920x1080 (Desktop), 1366x768 (Laptops), 390x844 (iPhone mobile), 412x915 (Android mobile), and 768x1024 (Tablets).
Related Searches & Topics
4k 1080p laptop tablet mobile viewportscss media query breakpoint validatorinteractive iframe responsive browserportrait and landscape orientation togglehigh dpi retina display simulationui layout overflow debugging toolcustom pixel dimension testerfrontend website QA resolution preview
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