Date & Time
Simple tools that work in your browser and keep your input on your device.
9 tools available
Browse all toolsShowing 1–9 of 9 tools
Date & Time
Focus / Break Timer
Run focus and short or long breaks with manual starts and clear completion counts.
Open tool — Focus / Break TimerCountdown Timer
Set one interval, pause and resume, or repeat it with optional in-page sound.
Open tool — Countdown TimerUnix Timestamp Converter
Convert explicit epoch seconds or milliseconds to UTC and back, with exact millisecond output and clear timekeeping limits.
Open tool — Unix Timestamp ConverterDate Calculator
Count days between dates, or add and subtract calendar days.
Open tool — Date CalculatorTime Zone Converter
Convert a dated local time between named zones, with UTC offsets, calendar-day changes and explicit repeated-time choices.
Open tool — Time Zone ConverterTime Duration Calculator
Find the hours and minutes between two times, with an explicit same-day or next-day choice.
Open tool — Time Duration CalculatorAge Calculator
Calculate age from a birth date in years, months and days, today or on a date you choose.
Open tool — Age CalculatorDecimal Hours Converter
Convert a known duration between hours and minutes and decimal hours, with optional seconds and clear rounding.
Open tool — Decimal Hours ConverterPlayback Time Calculator
Calculate video, podcast or audiobook time at your chosen speed and see the time saved or added.
Open tool — Playback Time Calculator