Timestamp Converter
Convert Unix timestamps and dates.
Convert a Unix timestamp into a human-readable date (local and UTC), or pick a date and time to get the Unix timestamp in seconds and milliseconds. Use Now for the current timestamp. Everything runs locally in your browser.
Your input is processed locally in your browser — nothing is uploaded, stored or logged.
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How it works
- 1 Enter a Unix timestamp and choose seconds or milliseconds.
- 2 See the local and UTC date instantly.
- 3 Or pick a date and time to get the timestamp back.
Common use cases
- Read a timestamp from logs.
- Build a timestamp for an API.
- Check token expiry times.
- Convert between time zones via UTC.
Frequently asked questions
Is my input sent to a server?
No. Everything runs locally in your browser — your input is never uploaded, stored or logged.
Seconds or milliseconds?
Both are supported — pick the unit. Unix time is usually seconds; JavaScript uses milliseconds.
Is it really free?
Yes — free, with no signup and no limits.