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ScreenSize.net Verified
Live screen checker for responsive web development
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About this tool
ScreenSize.net is a live screen checker that shows your current viewport dimensions, screen resolution, device pixel ratio, and other specs in real-time — no DevTools needed.
Perfect for:
• Testing responsive breakpoints as you resize
• Sharing exact screen specs with clients or designers
• Quick reference on mobile devices (where DevTools isn't available)
• Comparing your screen with target devices (iPhone, iPad, MacBook, etc.)
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