Input
Current timestamp
—
Timestamp
Swap
Date & time
Output
Enter a timestamp or pick a date; results appear here
Unix Timestamp
Unix Timestamp Converter
Timestamp ↔ date · Seconds / ms · Time zones · Runs locally
Local · No upload
Everything runs in your browser — inputs and results never reach a server.
Ready to use
No signup, no install, works offline.
Free · No ads
Fully free, no popups, no tracking.
Unix Timestamp Converter｜Seconds / Milliseconds｜Local & UTC｜ISO 8601｜Runs Locally — No Upload
Two-way
Timestamp to date or date to timestamp.
Seconds / ms
Detects 10-digit seconds and 13-digit ms, or set manually.
Zones & ISO
ISO 8601, UTC, local and relative (zones are placeholders).
One-click now
Live current timestamp, click to fill.
Local · no upload
Runs in your browser; nothing uploaded.