Browser API Playground

Test browser APIs like Clipboard, Geolocation, Notifications, Fullscreen, and more

6 WEB APIS MONITORED

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Standard Web Standards

Test and inspect modern W3C Navigator & Device capabilities directly within your browser runtime.

Async Clipboard API

navigator.clipboard

Read and write arbitrary text and rich media to system clipboard asynchronously.

await navigator.clipboard.writeText('Hello World!');
const text = await navigator.clipboard.readText();

Web Share API

navigator.share

Invoke native operating system share dialog for links, text, and files.

if (navigator.share) {
  await navigator.share({ title: 'DevUtilities', url: window.location.href });
}

Geolocation API

navigator.geolocation

Obtain geographic coordinates (latitude, longitude, altitude) with user consent.

navigator.geolocation.getCurrentPosition(
  (pos) => console.log(pos.coords.latitude, pos.coords.longitude),
  (err) => console.error(err)
);

Screen Wake Lock API

navigator.wakeLock

Prevent display from dimming or locking during presentations or active workflows.

const lock = await navigator.wakeLock.request('screen');
// lock.release() when done

Vibration API

navigator.vibrate

Provide haptic feedback on mobile devices supporting vibration motors.

navigator.vibrate([200, 100, 200]); // Pulse pattern

Network Information API

navigator.connection

Inspect cellular / Wi-Fi network connection type, bandwidth, and round-trip time.

const { effectiveType, downlink, rtt } = navigator.connection || {};
console.log(effectiveType, downlink);