Timestamp Converter
Convert Unix seconds, milliseconds and ISO dates.
How to use Timestamp Converter
Convert server timestamps to an ISO date.
- Select Load example or paste your own test input.
- Choose To date / To timestamp and review the available options.
- Run the selected action; review any validation message.
- Inspect the output before copying, printing or downloading it.
A small example
0 → 1970-01-01T00:00:00.000Z
When the result looks wrong
The converter uses a magnitude heuristic for seconds versus milliseconds; JWT NumericDate always uses seconds.
Questions about Timestamp Converter
Is my input uploaded?
File and text processing runs in your browser. Opening the website still loads application assets from its host.
What if the result looks wrong?
The converter uses a magnitude heuristic for seconds versus milliseconds; JWT NumericDate always uses seconds.
Can I use sensitive production data?
Prefer non-sensitive test data. Never paste live access tokens, passwords or confidential documents into a site without assessing its code and environment.
Supported input and output
Text input; check the selected action and example for the expected syntax.
See the result panel and available copy or download controls for the selected action.