Free Unix Timestamp to Date Converter Online
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About This Tool
The Unix Timestamp Converter translates Unix timestamps (seconds or milliseconds since epoch) into readable dates — and converts dates back to timestamps. It shows the result in local time, UTC, and ISO 8601 format simultaneously. Enter any timestamp or date and all conversions appear instantly. Free, no account, runs in browser.
How to Use
- 1
Enter a Unix timestamp in seconds or milliseconds — or paste a date string.
- 2
The converted date (and its reverse timestamp) appear in multiple formats.
- 3
Copy the format you need for your code or database.
Frequently Asked Questions
What is the Unix epoch?
The Unix epoch is January 1, 1970, 00:00:00 UTC. Unix timestamps count the number of seconds (or milliseconds) elapsed since this moment.
Does this converter handle millisecond timestamps?
Yes. Toggle between seconds and milliseconds depending on the precision of your timestamp.
Is this Unix timestamp converter free?
Yes. Completely free with no account required.