Free browser tool
Unix Timestamp Converter
Convert Unix timestamps to dates and local dates to Unix timestamps in seconds or milliseconds.
Last updated:
Timestamp converter
Convert Unix timestamps and human-readable dates locally.
Timestamp to date
UTC ISO: 2026-07-29T21:34:40.000Z
Local time: 7/29/2026, 9:34:40 PM
Date to timestamp
Seconds: 1785360840
Milliseconds: 1785360840000
UTC ISO: 2026-07-29T21:34:00.000Z
Free Unix timestamp converter
Convert between Unix timestamps, UTC ISO strings, and local date values for logs, APIs, databases, and debugging.
Tool description
Convert Unix timestamps to readable dates and convert local dates back to Unix time in seconds or milliseconds.
Common uses
- Debug API timestamps, logs, database rows, and scheduled events.
- Convert seconds or milliseconds into local and UTC dates.
- Create Unix timestamps from a chosen date and time.
How to use Unix Timestamp Converter
- 1. Enter a Unix timestamp or choose a date and time.
- 2. Select seconds or milliseconds if needed.
- 3. Review the local date, UTC date, ISO value, and converted timestamp.
FAQs
What is a Unix timestamp?
It is the number of seconds or milliseconds elapsed since January 1, 1970 UTC.
Why are local and UTC dates different?
Local time uses your device timezone, while UTC is the global reference time.
How do I know if a timestamp is seconds or milliseconds?
Millisecond timestamps are usually much longer. The tool supports both formats.