Timestamp Converter

Convert Unix timestamps to readable dates and times instantly with our free online converter tool.

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About This Tool

The Timestamp Converter is a powerful online tool that allows you to easily convert between Unix timestamps (seconds since January 1, 1970) and human-readable date/time formats. Convert timestamps to dates, dates to timestamps, handle milliseconds, adjust for different timezones, and view results in multiple formats including ISO 8601, RFC 2822, and custom formats. The tool supports batch conversions, provides detailed timezone information, and works entirely client-side for fast, secure processing.

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How to Use

Enter a Unix timestamp (in seconds or milliseconds) OR select a date and time using the date picker.
Choose your input and output timezones from the dropdown menus.
Select your preferred output format (ISO 8601, RFC 2822, or custom).
Click 'Convert Timestamp' to see the results in the output section.
For batch conversions, use the 'Add Another' button to create multiple conversion rows.

Frequently Asked Questions

Find Quick Answers

What is a Unix timestamp?

A Unix timestamp is the number of seconds that have elapsed since January 1, 1970 (UTC), not counting leap seconds. It's a standard way to represent time in computing systems.

Does this tool support milliseconds?

Yes, the tool automatically detects whether your timestamp is in seconds or milliseconds and converts accordingly. You can also toggle between seconds and milliseconds display.

Can I convert dates to timestamps?

Absolutely! Use the date picker to select any date and time, choose your timezone, and the tool will calculate the corresponding Unix timestamp in both seconds and milliseconds.

How accurate are the timezone conversions?

The tool uses the browser's Intl.DateTimeFormat API which provides accurate, up-to-date timezone information including daylight saving time adjustments.

Does this tool work offline?

Yes, since all calculations are performed client-side in your browser, the tool works completely offline once loaded.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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