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 8
Health & Fitness 8
Breathing exercise
Free breathing exercise timer with Box Breathing and 4-7-8 relaxation techniques. Reduce stress and anxiety with guided breathing patterns.
Eye exercise
Free eye exercise timer using the 20-20-20 rule. Reduce digital eye strain by taking regular breaks. Perfect for office workers and computer users.
Kegel exercise timer
Free Kegel exercise timer for men. Strengthen pelvic floor muscles with guided squeeze and release cycles. Customizable hold times and rep counts.
Ovulation calculator
Calculate your ovulation date and fertile window to increase chances of conception. Free ovulation calculator with personalized fertility calendar and cycle tracking.
Plank challenge
Free plank challenge timer with customizable hold times and rest periods. Build core strength with guided plank exercises for all fitness levels.
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.
Tabata HIIT timer
Free Tabata and HIIT interval timer for high-intensity workouts. Customizable work/rest intervals with audio cues. Perfect for home and gym workouts.
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 solar dates to Chinese lunar dates instantly. Shows zodiac animal, stem-branch, leap month. Covers 1900-2100, no signup, browser-based.
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
Create custom printable calendars: pick year, month, start day, add holidays, notes and colors. Generate PDF or print directly for planning and scheduling.
Countdown Timer
Set any countdown with alarm and browser notification. Pomodoro presets, fullscreen, pause/resume. Works on phone & desktop, no signup.
Date Difference Calculator
Calculate exact days, weeks, months and years between two dates. Useful for age calculation, project planning, event countdowns and duration analysis.
Epoch Converter
Convert Unix timestamps to human-readable dates and back. Batch conversion, auto-detect format, multiple timezones. Built for developers, free online.
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
Start timing in one click — millisecond precision, unlimited laps, splits, fastest/slowest stats, fullscreen, keyboard shortcuts. Works offline.
Time Add Subtract Calculator
Add or subtract hours, minutes and seconds with instant results. Calculate work hours, time durations and schedules. Free, no signup required.
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
Calculate business days between dates or add/subtract workdays, excluding weekends and holidays. Ideal for project planning, deadlines and leave tracking.
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.
