WORKS IN YOUR BROWSER
Free. No account needed.Timestamp Converter
Convert Unix seconds or milliseconds to UTC, or an explicit ISO date to Unix time.
Result
Enter your values. Your result will appear here.
How it works
- Choose the conversion direction.
- For date input, use YYYY-MM-DD or an ISO date-time with Z or an explicit ±HH:MM offset.
Example & practical use
1704067200 seconds → 2024-01-01T00:00:00.000Z
What to know
Unix time ignores leap seconds. Date-only values mean UTC midnight. Years 0001–9999 are supported; fractional seconds are rounded to the nearest millisecond.
Are my files or inputs uploaded?
Image and text processing happens in your browser. Your files are not uploaded to our servers.
Found an issue?
We are improving this alpha release. Tell us the tool, your device and the expected result through the contact page. You do not need to share private inputs or original files. Contact