Free online timestamp converter
Timestamp Converter
Convert Unix timestamps in seconds or milliseconds into local time, UTC, and ISO strings.
Developer utility
Browser based
Runs on the current page
Copy-ready
Use the output where you work
No sign-in
Open the tool and get moving
Developer tool
Convert Timestamps
Translate Unix time into UTC, local time, ISO strings, seconds, and milliseconds.
UTC
Thu, 01 Jan 1970 00:00:00 GMT
Local
1/1/1970, 12:00:00 AM
ISO
1970-01-01T00:00:00.000Z
Milliseconds
0
Date input as timestamp
Seconds
Invalid
Milliseconds
Invalid
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FAQ
Timestamp Converter questions.
What is a Unix timestamp?
A Unix timestamp counts time from 1 January 1970 at 00:00:00 UTC, usually in seconds or milliseconds.
Does the local time depend on my device?
Yes. Local output uses your browser and operating system timezone settings.
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