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Unix Timestamp Converter

Convert Unix timestamps to readable dates, and dates back to timestamps

Convert Unix Timestamps to Dates, Instantly

Convert a Unix timestamp (seconds or milliseconds since 1970-01-01 UTC) into a readable local date and time, or pick a date and time to get its Unix timestamp. Use the current-time button to see right now's timestamp. Everything runs in your browser — nothing is sent to a server.

🧩 Great For

  • Reading an epoch timestamp from an API response or log file
  • Generating a timestamp for a specific date to use in code or a database query
  • Grabbing the current Unix timestamp for testing
  • Checking whether a timestamp is in seconds or milliseconds

📋 How to Use

  1. Enter a timestamp and press "Convert to date", or pick a date/time and press "Convert to timestamp"
  2. Toggle between seconds and milliseconds depending on your source data
  3. Press "Use current time" to jump to right now
  4. Press "Copy result" to copy the output

Frequently Asked Questions

What's the difference between seconds and milliseconds?

Unix timestamps traditionally count seconds since 1970-01-01 UTC, but many JavaScript APIs use milliseconds instead. Use the unit toggle to match your source data.

What timezone are the results shown in?

Results show both your browser's local time and UTC, plus an ISO 8601 string, so you can read whichever you need.

Is my input sent anywhere?

No. All conversion happens entirely in your browser using its built-in date support — nothing is saved or sent to a server.