toolvio.

Unix timestamp converter

Convert Unix time to a readable date and back, in UTC and your timezone.

Current Unix time
—
Timestamp (seconds or milliseconds)
Date and time (your timezone)
Local
—
UTC
—
ISO 8601
—
Relative
—
Seconds
—
Milliseconds
—

Runs locally in your browser. Nothing is uploaded.

How to use

  1. Paste a timestamp in seconds or milliseconds; the format is detected automatically.
  2. Or pick a date and time to get its timestamp.
  3. The current timestamp ticks at the top.

Questions

Seconds or milliseconds?

Unix time is seconds since 1970-01-01 UTC. JavaScript and many APIs use milliseconds. Values above 10 digits are treated as milliseconds.