Timestamp Converter
Turn epoch timestamps into readable dates and back — with automatic unit detection and a live clock.
- Processed locally — your files never leave your device
- Free, no sign-up
- No file limits
How to use Timestamp Converter
- 1
Paste a timestamp — seconds, ms, µs or ns are detected automatically.
- 2
Read it as local time, UTC, ISO 8601 and relative time.
- 3
Or pick a date and time to get its timestamp.
Features
- Auto unit detectionWorks with 10-, 13-, 16- and 19-digit timestamps.
- Every formatLocal, UTC, ISO 8601, RFC 2822 and “3 hours ago” style output.
- Live clockThe current epoch time updates every second, ready to copy.
Frequently asked questions
What is a Unix timestamp?
The number of seconds since 1 January 1970 00:00:00 UTC, used by most systems to store time.
Seconds or milliseconds?
Unix tools usually use seconds (10 digits); JavaScript and many APIs use milliseconds (13 digits).
Which time zone is used?
Results are shown in your device’s time zone and in UTC. For date → timestamp you can choose either.