Master dates, zones, and focus with 6 free time and date utilities. The age calculator turns 1990-06-15 into 36 years and weekday and a live birthday countdown. The timezone converter moves 3:00 PM New York into 4:00 AM next-day Tokyo with DST handled, while the Pomodoro timer structures 25-minute sprints with 5-minute breaks. Countdown links share live targets with friends and teams. For example, four rounds total 100 focus minutes before a long rest. Each tool page answers common questions in its FAQ, free and offline.
Popular in Time & Date: Age Calculator · Timezone & World Clock Converter · Pomodoro Timer
Questions? Each tool page has an FAQ — start with the Age Calculator FAQ. See also our testing methodology.
Reviewed by the Tool4SaaS Editorial Team · Authors · How we test
You can think of them as 6 free time and date utilities with no signup. The Age Calculator turns 1990-06-15 into 36 years and weekday and a live birthday countdown, while Timezone Converter moves 3:00 PM New York to 4:00 AM next-day Tokyo with DST. Focus timers need no install.
Plan first Age Calculator, Timezone & World Clock Converter, and Pomodoro Timer for dates, zones, and focus. Convert 3:00 PM New York to 4:00 AM Tokyo next day, turn 1990-06-15 into 36 years, then run 25-minute sprints with 5-minute breaks. Four rounds total 100 focus minutes before a long rest.
Yep, they are fully free with no account and run locally in your browser. Pomodoro Timer structures 25-minute sprints with 5-minute breaks on your device, so focus logs stay private. Only shareable countdown links need internet. Your 1990-06-15 age math and Tokyo conversions never upload.
Keep the tab Age Calculator open after one online load to use it offline. Most time math then runs locally without internet, so 1990-06-15 still yields 36 years and 25-minute sprints still tick. Countdown sharing needs internet, but timers do not. Closing the tab clears custom targets.
Explore each tool FAQ for DST and formatting edge cases — open Age Calculator FAQ on 1990-06-15 to 36 years with weekday and countdown. You will see 3:00 PM to 4:00 AM Tokyo shifts and 4-round, 100-minute Pomodoro plans. Check testing methodology and contact for ideas.