Unix Timestamp
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Free Online Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly in your browser.
All processing is done locally in your browser. Your data never leaves your device.
How to Use Unix Timestamp
- Enter a Unix timestamp in seconds or a date string.
- Choose the unit (seconds, milliseconds, or microseconds).
- The converted result appears instantly in the output.
Key Features
- Two-way conversion: timestamp to date and date to timestamp
- Supports seconds, milliseconds, and microseconds
- 100% client-side processing
- Works offline
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970 (UTC), not counting leap seconds.
What is the difference between seconds and milliseconds?
A Unix timestamp in seconds has 10 digits, while milliseconds has 13 digits. Most Unix systems use seconds, while JavaScript uses milliseconds.
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