Unix Timestamp Converter

Convert Epoch to human-readable dates and vice versa

Relative Time-

Local Time-

UTC Time-

ISO 8601-

Unix Epoch (Seconds)-

Unix Epoch (Milliseconds)-

Unix Timestamp Converter Online

How to use Unix Timestamp

Enter a Unix epoch integer (e.g. 1770000000) to convert it to UTC, Local Time, and ISO 8601 formats.
Enter a date string (e.g. '2025-01-01') to convert it to a Unix epoch integer.
Click 'Now' to instantly populate with the current timestamp.
The tool auto-detects whether the input is in seconds or milliseconds.
Click the copy icon on any result card to copy the value.

Edge Cases & Limitations

Timestamps above 10,000,000,000 are treated as milliseconds, below as seconds.
Invalid date strings will show an error in the status bar.
Relative time is calculated from the current browser clock.

Keyboard Shortcuts

Ctrl/Cmd + K — Open Command Palette to switch tools instantly.

100% Client-Side Privacy

All inputs are processed entirely inside your browser's memory using JavaScript. No data is ever transmitted to any server. Your tokens, JSON payloads, cURL commands, and timestamps never leave your machine.