Unix Timestamp Converter
Time
Translate between Unix epoch time and human-readable dates, in both directions. Supports seconds and milliseconds, and shows local time, UTC, and ISO 8601. The current timestamp updates live. Everything runs in your browser.
How to use
- Pick a direction: timestamp → date, or date → timestamp.
- Enter a Unix timestamp (choose seconds or milliseconds), or pick a date.
- Read the converted values — local, UTC, and ISO.
- Copy any value, or grab the current timestamp shown at the top.
Frequently asked questions
- Seconds or milliseconds?
- Classic Unix time is in seconds; JavaScript uses milliseconds. Pick the unit that matches your input.
- Which timezone is shown?
- Local time uses your device's timezone; UTC and ISO are timezone-independent.
- What is ISO 8601?
- A standard date format like 2026-05-27T08:00:00.000Z, widely used in APIs and logs.
- Is my data sent anywhere?
- No. All conversion happens locally in your browser.
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