Responsive Website Tester Tool

Responsive Website Tester

Test any website across multiple device sizes and resolutions. Perfect for developers and designers to ensure responsive design compatibility.

Website URL

Try one of these examples:

Wikipedia

GitHub

Bootstrap

CSS-Tricks

Device Presets

iPhone SE

iPhone 12

iPhone XR

iPad

iPad Landscape

HD Desktop

Laptop

Full HD

2K Desktop

Custom Size

Width (px)

200px 375px 2000px

Height (px)

300px 667px 3000px

Additional Controls

Rotate Device

Show Device Frame

Throttle Network (3G)

Simulate Touch Events

Preview

375 × 667 Mobile 100%

Loading website...

Responsive Information

Current Breakpoint

Mobile

Based on viewport width

Resolution

375 px × 667 px

Viewport size

Viewport Scale

1.0x

Device pixel ratio

Orientation

Portrait

Screen orientation

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