Utilities
Free Online Unix Timestamp Converter
Convert Unix seconds or milliseconds to readable dates and convert ISO/local dates back to Unix timestamps.
100% Client-Side. Your data is processed locally and is never sent to an ElDevo processing server.
Input
Output
Ctrl/Cmd + Enter to run · Esc to clear · Processing stays in your browser.
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How to Use
- 1Enter a Unix timestamp or ISO date.
- 2Choose seconds or milliseconds when converting a timestamp.
- 3Review UTC and local time.
- 4Copy the result.
Features & Privacy Guarantee
- ✓ Seconds and milliseconds
- ✓ ISO date support
- ✓ Local and UTC views
- ✓ Live current timestamp
Search intent: Convert Unix timestamps and dates instantly.
Technical Example
Input
1704067200
Output
UTC: 2024-01-01T00:00:00.000Z
Frequently Asked Questions
What is Unix time?
Unix time counts elapsed seconds from 1970-01-01T00:00:00Z.
Does it support milliseconds?
Yes. You can explicitly select seconds or milliseconds.
Are dates processed locally?
Yes. JavaScript Date runs locally in your browser.
Can I convert an ISO date?
Yes. Enter an ISO-8601 date and select Date → Timestamp.