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Floating Clock

How to Use Floating Clock

  • 1. Open the page — the clock automatically shows the current time, accurate to the millisecond and updating continuously
  • 2. Click "Float" to display the clock in a standalone floating window that you can drag anywhere on screen
  • 3. The floating window stays on top of all other windows, remaining visible even when you switch to other tabs or apps
  • 4. Click "Exit Float" on the main page or the close button on the floating window to return to normal page display

Use Cases

The Floating Clock is perfect whenever you need accurate time at a glance — overlaying a timer on a livestream or recording, timing a presentation or meeting, timing sports or experiments, or syncing with a remote collaborator. With the floating window, you can keep the clock visible while working in other apps (like video editors, presentation tools, or other browser tabs) without switching back to check the time.

FAQ

The floating window feature works two ways: on desktop Chrome / Edge (116+), it uses the Document Picture-in-Picture API for a fully interactive window; on other browsers supporting the standard Video Picture-in-Picture API (such as mobile Chrome), it falls back to a thumbnail-video floating window instead. If your browser supports neither (e.g. iOS Safari), the button stays unclickable, but the basic clock display works in all browsers.

No. The floating window only updates text content continuously — the computational load is very small, comparable to normal web browsing.

With Document Picture-in-Picture (desktop Chrome / Edge), yes — that's the whole point: the floating window stays on top and keeps updating the time, unlike a regular tab that may throttle updates when sent to the background. With the thumbnail-video Video Picture-in-Picture fallback (e.g. some mobile browsers), the update rate may slow down due to background throttling, and behavior can vary by browser.

No. The time is taken entirely from your device's local system clock — all logic runs in the browser with no server connection and no automatic time sync.

Mobile browsers that support the standard Video Picture-in-Picture API (such as some versions of Android Chrome) show the floating window as a video thumbnail, also accurate to the millisecond. While the page stays in the foreground, milliseconds tick smoothly; once you switch to another tab or app, the update rate may slow down due to browser throttling, so milliseconds may appear to freeze and then jump rather than tick smoothly — behavior varies by browser. iOS Safari currently supports neither floating window method.

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