5 tools
Date & Time Tools
Timestamp, timezone, and duration conversions.
#date-time
Timestamp Converter
Convert Unix timestamps to and from human-readable dates.
#date-time
Unix Time Now
Show the current Unix timestamp in seconds and milliseconds.
#date-time
Timezone Converter
Convert a date to another timezone using the browser's locale support.
#date-time
Date Difference Calculator
Calculate the number of days between two dates.
#date-time
Age Calculator
Compute a person's age from a birth date.
About date & time tools
Timestamp, timezone, and duration conversions. These tools run locally in your browser, so you can use them for quick checks during development without sending data anywhere.
FAQ
Are date & time tools tools free to use?
Yes — every tool on U5F is free, with no account required.
Is my data uploaded anywhere?
No, processing happens locally in your browser tab.