Does vibration work on iPhone/iOS?

No. Apple's Safari and all browsers on iOS do not implement the Web Vibration API. Haptic feedback on iOS web apps requires native app code or a PWA with specific entitlements.

What is the Vibration API syntax?

navigator.vibrate(duration) for a single pulse in milliseconds. navigator.vibrate([on, off, on, off]) for a pattern alternating between vibration and pause. navigator.vibrate(0) stops any ongoing vibration.

Can I control vibration intensity from the web?

No. The Web Vibration API only controls pattern and duration, not intensity. Intensity control requires native mobile app APIs.

Home ToolsVibration Tester

Vibration Tester

Name: Vibration Tester
Rating: 4.8 (120 reviews)
Author: DailyDevTools

Test device vibration motor

Works only on devices with vibration hardware (e.g. phones).

Duration (ms)200ms

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Install the DailyDevTools extension — access all tools from your browser toolbar

Add to Chrome

What is Vibration Tester?

The Vibration API lets web applications trigger haptic feedback on mobile devices. DailyDevTools' Vibration Tester lets you test patterns and durations directly in your browser, making it easy to design and test vibration feedback for mobile web apps and PWAs before writing the implementation code. Works on Android browsers; iOS Safari does not support the Vibration API.

How to use Vibration Tester

1Open the tool on a mobile Android device
2Click Single Vibration to trigger a simple pulse with adjustable duration
3Use Pattern mode to define a vibrate/pause pattern (e.g., 200ms on, 100ms off, 300ms on)
4Click Test Pattern to feel the haptic feedback and adjust until it feels right

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Vibration Tester

What is Vibration Tester?

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