Convert Unix timestamps to human dates and back — UTC, local, ISO 8601 and relative time. Seconds and milliseconds are auto-detected.
How to use the Timestamp
Enter a Unix timestamp (seconds or milliseconds) or a date.
Seconds vs milliseconds are detected automatically.
Read the UTC, local, ISO and relative values, or hit Now for the current time.
Frequently asked questions
Both. 10-digit numbers are read as seconds and 13-digit as milliseconds, so you can rely on auto-detection.
UTC and ISO 8601 are absolute; the local value uses your browser's time zone.
A Unix timestamp converter that turns epoch values into readable dates and back, showing UTC, your local time, ISO 8601 and a relative description.
Useful for logs, APIs and databases. Everything runs in your browser.
Related tools
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text, right in your browser.
Convert colors between HEX, RGB and HSL with a live preview.
Percent-encode and decode URLs and URL components, UTF-8 safe.
Format, beautify and validate JSON online with clear error messages for invalid input.
We use essential cookies to run the site. With your consent we also load Google AdSense, which sets advertising cookies. See our privacy policy.