Unix Timestamp Converter
⚡ Runs locally🔒 No uploads🆓 Free, no sign-up
Staring at 1720000000 in a log and wondering when that was? Paste any timestamp — seconds or milliseconds auto-detected — and get the readable date, or convert a date back to epoch.
Shows Beijing time, UTC and weekday side by side, plus a live current-timestamp clock.
How to use
- Paste a numeric timestamp and click “Convert” (seconds/ms auto-detected)
- Or enter a date like 2026-09-30 12:00:00 to get epoch seconds and ms
- Click the live clock to copy the current timestamp
FAQ
How do I know if my timestamp is seconds or milliseconds?
You don't need to — 10 digits or fewer are treated as seconds, longer ones as milliseconds.
Which timezone is shown?
Both: Beijing time (UTC+8) and UTC, plus the weekday.
Does it work offline?
Yes. Conversion is pure local computation.