Timer

Date / days-between calculator

Calculate the absolute number of calendar days between two dates online, with equivalent weeks and approximate months.

In Browser Calculator Timer

Hours / time calculator

Calculate hours and minutes, add or subtract time, and find time between two times online.

In Browser Calculator Timer

Online timer / countdown

Set a free online timer or countdown with sound alerts, presets, and fullscreen mode.

In Browser Timer

Stopwatch

Use a free online stopwatch with start, pause, reset, lap times, and fullscreen mode.

In Browser Timer

Pomodoro timer

Use a free Pomodoro timer for focused work sessions, breaks, and simple productivity tracking.

In Browser Local First Timer

Time zone converter

Convert times between time zones and compare cities with a simple online time zone converter.

In Browser Timer

Unix timestamp converter

Convert Unix epoch timestamps to human-readable dates and back. Supports seconds and milliseconds, local time, UTC, and ISO 8601.

In Browser Developer Timer

Cron expression generator

Build and explain cron schedules in plain English. See the next run times, validate expressions, and start from common presets.

In Browser Developer Timer

Countdown to date

Count down the days, hours, and minutes to any date or event — Christmas, birthdays, vacations. Share a link or go full screen.

In Browser Timer

Interval timer

HIIT and Tabata interval timer with work, rest, rounds, and sets. Beeps, voice cues, color-coded full-screen display.

In Browser Timer Health

Metronome

Free online metronome from 20 to 300 BPM with time signatures, accents, subdivisions, and tap tempo. Steady, accurate timing.

In Browser Timer Audio