Unix timestamp converter
Convert Unix timestamps to readable dates and back.
Unix (s)1783507620
Unix (ms)1783507620000
ISO 86012026-07-08T10:47:00.000Z
LocalWednesday, July 8, 2026 at 10:47:00 AM
Paste a 10- or 13-digit timestamp or any date string and read it as Unix seconds, milliseconds, ISO 8601 and your local time.
Frequently asked questions
What is the difference between 10 and 13 digits?
10 digits are seconds since 1970; 13 digits are milliseconds. The tool detects which one you pasted.
Which timezone is shown?
ISO output is UTC (the Z suffix); the Local row uses your device's timezone.