Unix Timestamp Converter
Turn epoch seconds or milliseconds into readable UTC and local dates, or convert any date back to a timestamp — with a live clock and one-click copy.
Unix Timestamp Converter
How It Works
Three steps to convert a timestamp.
Enter a timestamp
Paste seconds or milliseconds into the input (or press Now).
Read the dates
View the converted UTC and local human-readable dates.
Convert a date back
Use the date field to get its seconds and milliseconds timestamps.
FAQ
Common questions about timestamps.
What is a Unix timestamp?
The number of seconds (or milliseconds) elapsed since January 1, 1970, 00:00:00 UTC — the epoch.
How do I know if it is seconds or milliseconds?
Seconds timestamps are ~10 digits today; milliseconds are ~13. Select the matching format for accurate conversion.
What timezone is used?
It shows both UTC and your local timezone so you can compare across zones.
Can I convert a date to a timestamp?
Yes. Use the Date to Timestamp panel and get both seconds and milliseconds.
Is data uploaded?
No. All conversions happen locally in your browser.
What is the live timestamp?
A continuously updating display of the current epoch second, refreshed every second.