Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates with timezone support. Free, fast, and runs 100% in your browser.
Unix timestamps are the universal language of time in programming — but they are unreadable to humans. This converter translates between Unix epoch timestamps and human-readable dates in both directions. Supports seconds and milliseconds precision, making it perfect for debugging API timestamps, log files, and database records.
2026-04-04T13:50:00.000Z
Feature Overview
| Feature | Details |
|---|---|
| Timestamp → Date | ✓ |
| Date → Timestamp | ✓ |
| Millisecond precision | ✓ |
| Timezone display | UTC + local |
| Privacy | 100% client-side |
Frequently Asked Questions
What is a Unix timestamp?
The number of seconds (or milliseconds) elapsed since January 1, 1970 00:00:00 UTC — known as the Unix epoch.
Does it support milliseconds?
Yes. The tool auto-detects whether your input is in seconds or milliseconds based on the number of digits.
What timezone does it use?
Timestamps are displayed in both UTC and your local timezone for easy comparison.