★ Free Developer Tool
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back, in local time and UTC.
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Runs entirely in your browser. Your files and text are never uploaded to our server.
About this toolUnix Timestamp Converter translates epoch seconds or milliseconds from logs and APIs into a human date, and turns any date into a timestamp.
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Unix Timestamp Converter translates epoch seconds or milliseconds from logs and APIs into a human date, and turns any date into a timestamp.
More about Unix Timestamp ConverterHow to use, good to know & FAQ
How to use Unix Timestamp Converter
- Paste a timestamp, or pick a date and time.
- Read the converted value in UTC, your local time and ISO 8601 format.
Frequently asked questions
Seconds or milliseconds?
The tool detects 13-digit values as milliseconds and 10-digit values as seconds.
What is a Unix timestamp?
It is the number of seconds since 1 January 1970 (UTC).
When to use Unix Timestamp Converter
- Read timestamps in logs and databases
- Convert dates for API requests
- Debug time-zone issues
- Check token expiry times
📘 Read the guide: JSON Formatting & Validation: A Beginner’s Guide With Examples