Mobile Tools - Viewport & Emulate

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Change the viewport meta tag and see how a page would render at different device widths. Understand responsive basics.

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Pick a contact from the device’s address book (mobile). Read name, email, and phone. All permission‑based. Privacy safe.

API API Contact Picker contacts mobile

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Limit browser gestures on an element: pan‑x, pinch‑zoom, manipulation. Draw on a canvas to test. Mobile dev helper.

Developer Tools CSS gesture mobile touch‑action

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Check current screen orientation and test the lock API. Useful for mobile web apps. Demo with code.

API API mobile Screen Orientation test

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Trigger different vibration patterns on mobile devices. Test if your phone supports haptic feedback. Simple demo.

API API haptic mobile Vibration

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Preview any website inside emulated device viewports (iPhone, iPad, various resolutions). No screenshot, live interaction in an iframe. Local tool.

Design emulator mobile responsive test viewport

Tag: Mobile Tools - Viewport & Emulate