Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates using browser date APIs.
Result
- Local date/time: 5/1/2026, 7:25:18 PM
- UTC date/time: Fri, 01 May 2026 16:25:18 GMT
- ISO 8601: 2026-05-01T16:25:18.000Z
- Unix seconds: 1777652718
- Unix milliseconds: 1777652718000
All conversion happens locally in your browser. The value you enter is not sent to a server, logged, stored, or transmitted.
How to use this tool
Enter the required values in the labeled fields. Results update in your browser and are announced for assistive technologies. Use realistic measurements and verify important outcomes before acting on them.
Formula or logic
The tool handles seconds and milliseconds modes, shows local and UTC output, and runs fully in the browser.
Example calculation
Example: 1700000000 seconds converts to a readable local and UTC date.
Frequently asked questions
What is Unix time?
Unix time counts elapsed time since 1970-01-01T00:00:00Z.
Does timezone affect the timestamp?
The timestamp is absolute; local display depends on your browser timezone.
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