Get precise atomic time directly in your browser with the iTime.live browser extensions. Available for Chrome and Firefox, these extensions provide the same nanosecond-level accuracy you get on the website, right in your browser toolbar.
Chrome Extension
Install the iTime.live atomic clock extension for Google Chrome and get precise time synchronization with Germany's PTB atomic clocks.
Firefox Extension
Get the same precision timekeeping in Mozilla Firefox. The iTime.live extension works seamlessly across all Firefox browsers.
Features
- Atomic Clock Precision: Synchronized with Germany's PTB atomic clocks for ±1 microsecond accuracy.
- Live Updates: Real-time time updates directly in your browser toolbar.
- Multiple Time Zones: Access time for cities worldwide from the extension.
- Lightweight: Minimal resource usage, runs efficiently in the background.
- Free & Open: Completely free with no ads or tracking.
Why Use the Extension?
The iTime.live browser extensions give you quick access to the most precise time available, without opening a new tab. Perfect for professionals, developers, and anyone who needs accurate time synchronization.
The extensions use the same backend infrastructure as itime.live, ensuring you get the same nanosecond-level accuracy whether you're on the website or using the extension.
Need Help?
If you have questions about the extensions or need support, visit our contact page or check out the extension pages on Chrome Web Store and Firefox Add-ons for user reviews and additional information.