Convert between timestamps and date/time formats online
Convert Unix timestamps to dates and dates to epoch time online. Supports seconds, milliseconds, ISO output and local time for logs, APIs and debugging.
Instructions
Input methods
Enter a Unix timestamp or type/paste a local datetime. The converter updates both directions automatically.
Unit switch
Choose seconds or milliseconds to control how timestamp input is parsed.
Output formats
Get ISO, UTC, local time, readable format, and relative time; reference rows like “one day ago” use your selected time.
Tips
- Use Current Time for quick now-based conversion
- Copy each row independently for logs and API payloads
- After switching units, double-check timestamp length expectation