Time

Unix Timestamp Converter

Paste a Unix timestamp or a date string to see the exact human-readable time, UTC string and reverse timestamp values locally.

Paste a timestamp or date and verify the exact human-readable result before copying it elsewhere.

✓ Tool inputs are processed in your browser✓ No account
Convert Unix timestamps and dates locally.

When to use this tool

Use it when you need to confirm what a Unix timestamp means, compare milliseconds with seconds or turn a browser-readable date into a timestamp without leaving the page.

  1. Sanity-check a pasted timestamp before sharing it in logs or bug reports.
  2. Compare a 10-digit Unix value with its 13-digit millisecond version.
  3. Copy a UTC-ready timestamp from a browser-readable date string.
Related tools

Related tools

FAQ

Questions

Questions

Does this tool upload my timestamp?

No. The conversion stays in your browser.

Can it handle seconds and milliseconds?

Yes. Ten digits or fewer are treated as seconds; longer whole numbers are treated as milliseconds.

Can I paste a full date string instead of a number?

Yes. The converter also accepts browser-readable dates and ISO 8601 strings.