Responsihub
Test website responsiveness on real devices, fast & easy
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Rayan Hossain

Responsihub - Test website responsiveness on real devices, fast & easy

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Responsihub helps developers, designers, and marketers test website responsiveness across real device viewports. Instantly preview on mobiles, tablets, desktops, or custom screen sizes—all from one clean interface.

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Rayan Hossain
Maker
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We built Responsihub to solve a problem we face daily—quickly testing how a website looks across different devices without juggling emulators, browser tools, or actual devices. Unlike traditional responsive testing tools, Responsihub is fast, focused, and user-friendly. You can switch between real device presets, add your own custom viewports, simulate landscape orientation, and even share sessions with clients or teammates. We’re especially proud of: A smooth UI that feels instant Custom device support and local saving Dark mode and pixel-accurate scaling Built-in screenshot sharing (coming soon!) Try it out and let us know your thoughts. We’d love your feedback!
Mu Joe

This is truely a lifesaver! Juggling emulators for responsive testing was such a pain, Responsihub's custom viewport support is kinda genius imo. So much faster to check how things look on different devices. Is there a way to integrate it with my workflow in Figma?