Latest, 18 Oct 2026:118 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 18 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Fullscreen Clock
Core Features:
Dual Mode Switching: Supports both Digital Clock and traditional Canvas Analog Clock modes.
Full-Screen Display: Click the extension icon to open a full-screen clock window; supports F11 for true full-screen.
Real-Time Clock: Refreshes every second; hours and minutes remain fixed in width while only seconds tick.
Visual Customization:
Font Switching: Three fonts available (Orbitron, Rajdhani, Share Tech Mono).
Color Customization: Customize both background and text colors.
Font Size: Slider to adjust the digital clock size (up to 400px).
Breathing Effect: Gradient brightness fading and subtle pulsing animation for the digital clock.
Special Effects:
Hourly/Half-Hour Effects: Colorful flowing glow on screen edges with text pulsing on the hour; text pulsing on the half hour.
Day Progress Bar: A semi-transparent bottom progress bar showing the percentage of the day passed in real time.
Burn-in Protection: Slightly shifts the clock position periodically to prevent screen burn-in.
Watermark Display: Displays multiple diagonal text watermarks.
Advanced Features:
Background Image Slideshow: Supports uploading multiple images with automatic switching every 10 seconds.
Screen Wake Lock: Uses Wake Lock API to prevent the computer from entering sleep mode.
Persistent Configuration: All settings are automatically saved to localStorage.
Multi-language Support