No uploads · runs in browser
Timestamp Converter
Convert between Unix timestamps (seconds/ms) and dates, both directions.
Now:
Favorite it to find it fast on home
When to use it
1786147200 → 2026-08-05 09:00:00
Convert a 13-digit millisecond value from a log
Turn a date into a seconds timestamp for an API call
How to use it
1Step 1Fill in Stamp → date
2Step 2Change a value and the result updates instantly
3Step 3Save or copy the result with Convert
If the result looks off
The result looks wrong
Check the units and the baseline first. Changing a value updates the result instantly.
I want the starting values back
Press reset to return to the initial state.
Frequently asked questions
Seconds or milliseconds?
Auto-detected: 10 digits means seconds, 13 means milliseconds.
Which time zone does it use?
Your browser's local zone. If your server logs in UTC, expect a 9-hour offset for KST.