Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
About the Unix Timestamp Converter
Convert Unix timestamps (seconds or milliseconds) to local time, UTC, and ISO 8601, or go the other way from a date to a timestamp. Includes a live updating clock.
Examples
Epoch seconds
1700000000Output
2023-11-14T22:13:20.000ZKeyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
Related tools
ISO 8601 Converter
Date & Time
Convert dates and durations to and from ISO 8601 format.
Epoch Batch Converter
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Convert a list of Unix timestamps to readable dates in bulk.
Timezone Converter
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Convert a datetime across multiple IANA timezones at once.
Week Number Calculator
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Find the ISO week number, day of year, and quarter for any date.
Age Calculator
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Calculate exact age and countdown to the next birthday.
Business Days Calculator
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Count business days between two dates, excluding holidays.
Frequently asked questions
Read more
- Timezones, UTC and ISO 8601: dates without bugs
Why 'store dates in UTC' is only half the rule, how ISO 8601 avoids ambiguity, and the daylight saving edge cases that break naive code.
- Timezones and UTC: the developer's survival guide
Why every timestamp bug traces back to the same handful of mistakes, and the rules that make timezone handling boring instead of terrifying.
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser