Time & Date Tools
Work with time easily: convert time zones, parse timestamps, create countdowns, calculate ages, and more—right in your browser.
Blockchain Tools 1
Blockchain Timestamp Converter
Convert blockchain timestamps to human-readable date and time. Convert Unix timestamps to datetime and vice versa for Ethereum, Bitcoin, and all EVM-compatible blockchains.
Calculators 3
Health & Fitness 3
Ovulation calculator
Calculate your ovulation date and fertile window to increase chances of conception. Free ovulation calculator with personalized fertility calendar and cycle tracking.
Pregnancy due date calculator
Calculate your pregnancy due date and track pregnancy milestones. Free pregnancy calculator using LMP, conception date, or ultrasound data with trimester tracking.
Sleep cycle calculator
Calculate the best time to wake up or go to sleep based on sleep cycles. Free sleep calculator to help you wake up refreshed during light sleep phases.
Hardware Tools 1
Input Devices 1
Typing Speed Test
Test your typing speed in words per minute (WPM) with real-time accuracy tracking. Practice typing, improve speed, and beat your personal records.
Time Tools 22
Lunar Calendar
Convert between solar and lunar calendar dates. Free Chinese lunar calendar converter with zodiac animals and stem-branch system. Accurate date conversion tool.
Work Shift Scheduler
Free online work shift scheduler. Create rotating employee schedules, manage work shifts, and export to CSV or ICS calendar format. Perfect for shift planning and team scheduling.
Equinox & Solstice
Find exact dates and times of spring equinox, summer solstice, autumn equinox, and winter solstice for any year. Free astronomical calculator with timeline visualization.
Daylight Duration
Calculate total daylight hours for any date and GPS location. Enter coordinates or auto-detect your position to get sunrise, sunset, and day versus night duration instantly.
Season Calendar
Free season calendar calculator. Find exact start and end dates for spring, summer, autumn, and winter based on astronomical equinoxes and solstices for any hemisphere.
Sun Path
Visualize sun path and find golden hour times for photography. Interactive chart shows sun position, altitude, azimuth throughout the day. Perfect for photographers.
Sunrise Sunset
Free sunrise sunset calculator. Find sunrise, sunset, solar noon times for any location and date. Includes twilight times. Accurate astronomical calculations.
Moon Phase Calendar
Free moon phase calendar showing lunar cycles, full moons, new moons. Track moon phases by month or year. Beautiful interactive lunar calendar with illumination percentages.
Age calculator
Calculate your exact age in years, months, days, hours, minutes and seconds. Find out when you will reach a certain age. Free online age calculator with detailed breakdown.
Birthday calculator
Calculate your next birthday date, age at next birthday, and time remaining until your next birthday. Free online birthday calculator with detailed breakdown.
Calendar Generator
Free online calendar generator to create custom printable calendars. Choose year, month, start day, add holidays, notes, and customize colors. Generate PDF or print directly. Perfect for planning, scheduling, and organizing your time.
Countdown Timer
Free countdown timer online. Set custom timers with alarm, notifications, and fullscreen mode. Perfect for Pomodoro, cooking, workouts, and time management.
Date Difference Calculator
Free online date difference calculator. Calculate the exact number of days, weeks, months, and years between two dates. Perfect for age calculation, project planning, event countdown, and date duration analysis.
Epoch Converter
Free online Unix epoch converter. Convert Unix timestamp to human-readable date and vice versa. Support batch conversion, auto-detect format, multiple timezones. Perfect for developers working with epoch time.
Meeting Time Planner
Free meeting time planner for scheduling across multiple timezones. Add participants with their timezones and get suggestions for the best meeting time slots. Perfect for remote teams, international meetings, and global collaboration.
Pomodoro Timer
Free Pomodoro timer for productivity. 25-minute focus sessions with breaks. Track completed sessions, view statistics, and boost your work efficiency with the Pomodoro Technique.
Stopwatch
Free online stopwatch with lap counter and split times. Perfect for timing workouts, races, cooking, studying, or any activity. Features include precise millisecond timing, unlimited laps, statistics, fullscreen mode, and keyboard shortcuts. Works on all devices.
Time Add Subtract Calculator
Free online time calculator to add or subtract hours, minutes, and seconds. Perfect for calculating work hours, time tracking, scheduling, project planning, and time duration calculations. Easy to use with instant results.
Time Interval Splitter
Split time ranges into equal intervals for scheduling, shift planning, and time management. Create hourly blocks, meeting slots, and work periods with visual timeline.
Timezone Converter
Free online timezone converter. Convert time between any timezones worldwide, schedule meetings across time zones, view current time in multiple cities, and calculate time differences. Perfect for remote teams, international business, and travelers.
Working Days Calculator
Free online working days calculator. Calculate business days between dates, add or subtract workdays, exclude weekends and holidays. Perfect for project planning, deadline calculation, and leave management.
World Clock
Free online world clock displaying current time in multiple cities and timezones simultaneously. Add/remove timezones, view UTC offsets, time differences, and coordinate across global teams. Perfect for remote work, international business, and travel planning.
Video Tools 1
Video Upload Time
Estimate how long it takes to upload your video based on file size, bandwidth, and network overhead. Pick presets or enter custom speeds to plan deliveries confidently.
