Unix Timestamp Converter
Debug APIs and logs where epoch seconds or milliseconds appear everywhere. Copy outputs in ISO and locale formats your stack expects.
Enter your values here
Unix value (seconds or milliseconds)
Large values are treated as milliseconds; smaller as seconds.
Local date & time → Unix
From Unix input
UTC ISO
2023-11-14T22:13:20.000Z
Seconds
1700000000
Milliseconds
1700000000000
From local date/time
Unix seconds
1699999980
UTC ISO
2023-11-14T22:13:00.000Z
Related tools
More utilities you might find useful.