Clockboard

Minimal multi-timezone clocks on every new tab, with timers, a stopwatch and alarms.

Clockboard turns every new tab into a calm, colorful dashboard of world clocks, with timers, a stopwatch, alarms and sticky notes built in. WORLD CLOCKS • Add any timezone by city name; rename, recolor and reorder • Five layouts, built-in color presets, saved presets, and shades from a single color • One-click randomizers for backgrounds, text color and layout, or let them change automatically on a schedule you choose • 12 or 24-hour time, seconds, date, offset from your time, day/night icon • Convert a time in one zone to every other zone TIMERS, STOPWATCH AND ALARMS • Run several labeled timers at once; stopwatch with laps • Set an alarm from any timezone; it rings on your local time • Notifications with Snooze, plus an alert sound you can mute • They keep running when the new tab is closed (while Chrome is running) NOTES • Sticky notes with a title, text and to-do lines; mark notes done • Paste images; drag, stack and resize notes; auto-sort; search with live counts • Copy a note, or download it as txt, md, csv, html or png PRIVATE BY DESIGN • No account, no ads, no analytics, no tracking, no network requests • Everything is stored on your device; export or import a JSON backup any time • Optional bug report: encrypted on your device, and you send it yourself by email GOOD TO KNOW • Timers and alarms only fire while Chrome is running and your computer is awake. • Requires Chrome 116 or newer. • Open source under the MIT License. Shortcuts: S settings, T timers and alarms, N notes, R randomize, F fullscreen.