BrightTools
Time Tools
Convert Unix timestamps and dates locally, with UTC, browser time and common IANA time zones.
Sleep Calculator
Calculate suggested bedtimes or wake-up times using estimated sleep cycles, sleep latency and age-based sleep duration guidance.
Open tool →Countdown Calculator
Create a live countdown to New Year, Christmas, Halley's Comet return, birthdays, exams or any custom date with time zone support.
Open tool →Age Calculator
Calculate your exact age in years, months and days, days lived, total months and the next birthday countdown.
Open tool →Retirement Countdown Calculator
Calculate your planned retirement date, countdown, life progress, fixed days off and estimated working days locally.
Open tool →Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time. Supports seconds, milliseconds, UTC, local time and multiple time zones.
Open tool →Choose the right tool
Every BrightTools utility runs without an account. Most tools keep inputs in the browser; choose the tool that matches your job, then test the output before publishing or printing.