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Shehzad khan

Responsive Breakpoint Tester - Preview multiple breakpoints at once — no extensions needed

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A free browser-based tool that lets developers test responsive layouts across multiple viewport sizes simultaneously. Speed up breakpoint debugging and improve layout accuracy without switching devices.

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Shehzad khan
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Hi everyone 👋 I built Responsive Breakpoint Tester to solve a common frustration: constantly resizing browsers to test breakpoints. This tool lets you preview multiple screen widths simultaneously so you can detect layout issues faster. It’s completely free and browser-based. I’d love your feedback — what features would make this even more useful for your workflow? Thanks for checking it out