Time tools
Timers and clocks that stay out of your way.
Free browser-based time tools including an alarm clock, countdown timer, Pomodoro focus timer, stopwatch, world clock, sleep calculator and age calculator.
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Time Utilities
Alarm Clock
Set online browser alarms with snooze, custom tones, and local sound alerts.
Timer
Precision countdown timer with fast presets and synthesized chime alerts.
Stopwatch
Millisecond precision stopwatch with split laps and clipboard export.
World Clock
Keep track of multiple global time zones, UTC offsets, and daylight indicators.
Sleep Calculator
Plan practical bedtime and wake-up windows around complete sleep cycles.
Pomodoro Timer
Focus with flexible work and break sessions in a calm browser timer.
Age Calculator
Calculate calendar age, total days and the next birthday with UTC-safe date math.
Date Duration Calculator
Find days between dates, count weekdays, or add and subtract calendar days.
About this collection
Choose the tool for the job.
Open the time tool you need and start immediately. Use countdowns and Pomodoro sessions for focused work, clocks for timing and time zones, or calculators for sleep and calendar age.
Use Alarm Clock and Timer for reminders, Pomodoro Timer for editable 25/5-style focus sessions, Stopwatch for laps and split timing, World Clock for time-zone comparisons, Sleep Calculator for bedtime or wake-up windows, and Age Calculator for calendar age and the next birthday.
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