A free, full-screen online digital clock with seconds, 12 / 24-hour format, and eight LED colors. Works in any modern browser — no install, no signup, no account required.
Five ways people use this clock every day.
Keep a clean clock in the corner of your desk, second monitor, or laptop while writing, coding, or deep-focus work. The large readable digits make it effortless to glance at the time without breaking flow.
Place this digital clock on a second monitor or in OBS to track stream duration and real-time hours for your audience. The minimal interface means no distractions in your broadcast.
Prop up your phone or tablet on the counter for a giant kitchen clock. Bright high-contrast digits stay readable from across the room — perfect for timing recipes.
Choose a dimmer color like LED Red or LED Amber for a non-harsh bedside display. Enable Keep Screen On and you have a free bedside digital clock without buying hardware.
Display this digital clock fullscreen on a projector during exams, timed activities, or events. Crystal-clear digits ensure everyone in the room can read the time at a glance.
From zero to a working wall clock in under ten seconds.
No download, no install, no signup. Works on Chrome, Safari, Edge, Firefox — desktop and mobile.
Switch between eight LED colors with one tap in Settings. Your choice is remembered.
Toggle 12 or 24-hour format, seconds, and date in the settings panel — all without losing the time.
Tap the fullscreen icon for a distraction-free wall clock. Enable Keep Screen On to prevent your device from sleeping.
Everything you need from a digital clock — nothing you don't.
Switch instantly between AM/PM and 24-hour military time.
Red, Green, Blue, White, Amber, Purple, Pink, and Cyan — plain seven-segment digits, no animation to distract from a clean read.
One click to fill the entire screen — perfect as a wall clock or screen saver.
Uses the Wake Lock API to prevent your laptop or phone from dimming.
Responsive design tested on phones, tablets, laptops, and large monitors.
The digital clock runs locally in your browser — no account, no signup. Your preferences stay on your device.
Quick answers to common questions.
Yes, completely free with no signup and no usage limits. This digital clock works directly in your browser — just open the page and it runs.
This online digital clock uses your device's system time, which is typically synced to atomic time servers via the operating system. As long as your device clock is correct, the displayed time will be accurate to the second.
Absolutely. Tap the fullscreen icon in the top-right corner and the clock will fill your entire screen — ideal for classrooms, kitchens, second monitors, or as a bedside clock.
Yes. The interface is fully responsive and tested on iOS and Android. Enable Keep Screen On in settings to prevent your phone from dimming while the clock is displayed.
Yes — enable Keep Screen On in settings. We use the native Wake Lock API, supported by Chrome, Edge, and Safari, which tells the operating system not to dim or sleep the display.
Once the page is loaded, this digital clock keeps running even if you lose internet. The browser caches the assets so it'll usually open even when you're offline.
Yes — pick from eight LED colors for a classic seven-segment look, or switch to the Flip, Pixel, Neon, or Binary clock family for a completely different aesthetic. Seconds, date, and 12/24-hour settings carry over regardless of which style you choose.
Same free fullscreen experience, five more looks and tools.
Guides for putting this clock to work in real setups.