Time & Productivity

Stopwatch, countdown timer, world clock and time zone tools to keep you on schedule. Free and instant.

Free online stopwatch with lap times and millisecond precision. Start, pause and reset — no install, works in any browser.

Free online countdown timer — set hours, minutes and seconds and get an alert when time is up. Great for cooking, study and workouts.

See the current time in cities around the world at a glance. Free online world clock with live seconds and UTC offsets.

Create a professional invoice in your browser — line items, tax, discount and totals — then print or save as PDF. Free, no signup, no watermark.