Timestamp to Date
Convert Unix timestamps (seconds since January 1, 1970) to human-readable dates and times. Supports both seconds and milliseconds precision. Perfect for debugging, API development, and working with timestamps.
When to use this tool
You are debugging API logs that store Unix timestamps.
You need to confirm if a timestamp is in seconds or milliseconds.
Examples
Milliseconds vs seconds
Input
1700000000000
Output
2023-11-14 22:13:20 UTC
The tool can toggle between seconds and milliseconds.
Developer use cases
Convert JWT exp values into human-readable times.
Validate event timestamps from analytics pipelines.
Common mistakes to avoid
Using seconds when the source is milliseconds (or vice versa).
Forgetting to check timezone when comparing to local time.
Format and behavior notes
Unix timestamps are based on UTC, not local time.
Milliseconds timestamps are 13 digits; seconds are 10 digits.
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Frequently Asked Questions
How do I convert a Unix timestamp?
Enter a Unix timestamp (in seconds or milliseconds) and the tool will convert it to a human-readable date and time.
What is a Unix timestamp?
A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970, 00:00:00 UTC.
Does the tool support milliseconds?
Yes, you can toggle between seconds and milliseconds precision using the checkbox.