What is a timestamp?
A Unix timestamp is the number of seconds (or sometimes milliseconds) since 1970-01-01. It's commonly used in logs and APIs. This tool runs locally in your browser.
How to use
- Paste a number on the left to get a date instantly;
- 10 digits are usually seconds, 13 digits are usually milliseconds;
- Enter a datetime on the right to get the corresponding timestamp.
FAQ
Seconds vs milliseconds?
10 digits are usually seconds; 13 digits are usually milliseconds. If the value is longer than 10 digits, we treat it as ms.
Do you upload my data?
No. Everything is computed locally.