Showing 21–40 of 1,000 ranked alternatives.
Gimin Kim
Convert time formats and align data
Convert GPS Time to UTC and vice versa with support for leap seconds. Input GPS Week and Time of Week or GPS Week and Day of Week. Output in various time formats. Align observation data and parse ephemerides efficiently.
Bonsaisoft LLC
Convert zones instantly and track global
Display and local simultaneously. Convert between zones instantly. Set alarms for specific times. Track daylight saving changes. Sync with device for accurate timekeeping.
Willy Kunz
Calculate with scientific precision and enhanced functions
Simulate the HP-45 scientific calculator with photo-realistic visuals and original LED or LCD display. Print calculations, animate keys with sound and feedback, and replicate the calculator's computation times.
John Nairn
Calculate dates across multiple calendar systems
Calculate dates across Gregorian, Julian, Hebrew, and French Republic calendars. Convert dates to find the day of the week. Determine time spans between two dates. Add or subtract time from a . Perform various and time conversions.
山 钟
Calculate between dates and times
Calculate differences between dates with precise second-level accuracy. Determine days until or after specific events. Find dates before or after a given period. Track expiration dates for financial products or exams.
Rob Clarke
Convert to numerals and format
Convert to numerals for tattoos, anniversaries, or special occasions. Input a date and select format preferences. Verify output for correct day-month or month-day order. Export as image or text.
Oval Software Oy
Calculate , track dates, convert formats
Helps manage , dates, and schedules. Add or subtract , minutes, and seconds. Apply hourly rates for cost calculations. Track and calculate pay. Convert formats and plan shifts.
Verosocial Studio
Calculate , track durations, manage logs
Calculate differences and totals with precise hour, minute, and second tracking. Add or subtract intervals. Convert between decimal and standard formats. Export results as text or copy to clipboard.
帆 杨
Calculate, record, and customize equations
A a log of all calculations. Displays input equations and results clearly. Includes backspace function. Allows adjustable keyboard size and number font size. Supports customization of decimal places, font size for , and display format.
Inner Grow Limited
Count down to events and dates
Count down to events and dates. Track specific dates. View upcoming holidays and birthday reminders. Set expiration dates for food and items. Receive alerts for countdowns and reminders.
Glory Uwerhiavwe
Receive texts on a virtual number
Allows users to create and manage virtual phone numbers for and social media verification. Numbers can be assigned to specific accounts. Users can receive and make calls, send and receive texts. Numbers are valid in over 180 countries.
Joseph Sferrazza
Track events with countdowns
Track important dates with countdowns in seconds, minutes, hours, , weeks, months, years, or sleeps. Add unlimited events and customize with photos, icons, and time formats. Import events from calendars and set custom alerts. Sync across devices.
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