Timestamp Converter
Convert Unix seconds, Unix milliseconds and timezone-aware ISO dates into clear, copyable values.
Paste text or open a fileOr start from an example:
ISO input needs Z or a timezone offset. Unix values use your selected unit.
Timestamp formats
The result appears here as you type.
Ctrl+↵ copy result · Ctrl+Shift+F result to input
How to use Timestamp Converter
- Enter a Unix timestamp or an ISO date with a timezone.
- Select the input format explicitly.
- Read the UTC ISO, Unix and local-time values.
Frequently asked questionsUseful details
2 answers +
Which timezone does ISO use?
Enter Z for UTC or an explicit offset such as +03:00. The result shows UTC and your device's local time.
Are decimal seconds accepted?
Yes, to millisecond precision. Milliseconds themselves must be whole numbers.
More help
Guides, common conversions and useful next steps.
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