Unix Timestamp Converter
Unix Timestamp (Seconds or Milliseconds)
Drop file to load
Processed locally in browser
What is the Unix Timestamp Converter?
The Unix Timestamp Converter is a simple, browser-based tool that translates Epoch time (Unix timestamps) into human-readable dates and times. It displays both UTC and your local timezone simultaneously.
Why use an offline converter?
Converting timestamps often involves copying values directly from database queries, server logs, or API responses. Using a local converter ensures you aren’t inadvertently leaking infrastructure details (like precise incident times or user activity logs) to a third party.
How to use this tool
- Enter a timestamp into the left pane. It can be in seconds (e.g.,
1720526400) or milliseconds (e.g.,1720526400000). - The tool instantly converts the number.
- The right pane will display the Date, Time in UTC, and Time in your Local timezone.
Frequently Asked Questions
What is a Unix timestamp?▼
A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds.
Does this handle milliseconds?▼
Yes, the tool attempts to automatically detect if your input is in seconds or milliseconds based on the length of the number.
Are timezone conversions done locally?▼
Yes. The tool uses your browser's local timezone settings via JavaScript to generate the 'Local Time' output, and also provides the standard UTC time.