Timestamp Format Converter
One moment in Unix, Excel, .NET, FILETIME, ISO 8601 and more.
| Format | Value |
|---|---|
| ISO 8601 (UTC) | 2026-10-13T08:30:00.000Z |
| RFC 2822 | Tue, 13 Oct 2026 08:30:00 +0000 |
| Unix (s) | 1791880200 |
| Unix (ms) | 1791880200000 |
| Excel (1900) | 46308.354167 |
| .NET ticks | 639274770000000000 |
| Windows FILETIME | 134363538000000000 |
| Apple Cocoa | 813573000 |
| Julian Date | 2461326.854167 |
Runs entirely in your browser. Nothing is sent anywhere.
How it works
- 1Enter your values.
- 2See the result update instantly as you type.
- 3Change any value to compare scenarios.
About this tool
Timestamp Format Converter: One moment in Unix, Excel, .NET, FILETIME, ISO 8601 and more. Type your numbers and the result is calculated instantly — no button to press, nothing to install. All math runs locally in your browser, so the values you enter are never sent anywhere.
Example
| Format | Value |
|---|---|
| ISO 8601 (UTC) | 2026-10-13T08:30:00.000Z |
| RFC 2822 | Tue, 13 Oct 2026 08:30:00 +0000 |
| Unix (s) | 1791880200 |
| Unix (ms) | 1791880200000 |
| Excel (1900) | 46308.354167 |
| .NET ticks | 639274770000000000 |
| Windows FILETIME | 134363538000000000 |
| Apple Cocoa | 813573000 |
| Julian Date | 2461326.854167 |
How do I use the Timestamp Format Converter?
Enter your values. See the result update instantly as you type. Change any value to compare scenarios.
Is the Timestamp Format Converter free?
Yes. It is completely free with no sign-up, no usage limits and no watermark.
Is my data sent to a server?
No. Everything is calculated locally in your browser. Nothing you enter is uploaded, logged or stored.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux — no app needed.