Timestamp Converter

Convert Unix timestamps (seconds or milliseconds) to human-readable dates and back. Supports ISO 8601 and common date string formats.

Timestamp → Date

Seconds (unix)

Date string → Timestamp

How to use

Timestamp to date
Enter a Unix timestamp and choose seconds or milliseconds. The ISO date is shown.
Date to timestamp
Enter a date string (e.g. 2024-01-15 or Jan 15, 2024). Get milliseconds and seconds.
Copy values
Use Copy next to any result to copy it.

Examples

Seconds to date
1640000000 seconds.
Input
```
1640000000
```
Output
```
2021-12-20T...
```

Frequently asked questions

Seconds vs milliseconds?: Unix time can be in seconds (10 digits) or milliseconds (13 digits). Use the checkbox to interpret correctly.
What date formats are supported?: Any format that JavaScript's Date() accepts: ISO 8601, localized strings, etc.

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