Seconds and milliseconds
Use either a 10-digit seconds value or a 13-digit milliseconds value.
DEVELOPER & DATA TOOLS
Unix Timestamp Converter
Convert Unix timestamps and dates between seconds and milliseconds.
FreeNo sign-upProcessed in your browser
Convert timestamps
Detect seconds or milliseconds automatically and show the ISO value too.
What is a Unix timestamp?
A Unix timestamp represents elapsed time since 1 January 1970 UTC. It is commonly used in logs, APIs, and databases.
Current time
Insert the current time to create test data quickly.
DEVELOPER & DATA TOOL
Unix timestamp converter for seconds, milliseconds, and dates
Convert a Unix timestamp into a readable date or turn a date into seconds or milliseconds for an API or database value.
When to use it
Use it when reading logs, checking an API payload, or converting an epoch value for a database query.
How to use it
- Open the tool and add the file, text, or value you want to work with.
- Use the available controls to review, edit, convert, or test the result.
- Check the result, then save, copy, or export it when needed.
Frequently asked questions
How do I tell seconds from milliseconds?
A current timestamp in seconds is usually 10 digits, while milliseconds are usually 13 digits. Confirm the unit used by the source system.
Is the displayed time UTC or local time?
Check the tool output label and your source system. Timestamp values represent an instant; the rendered clock time can differ by timezone.