Epoch Converter

Epoch Converter - Unix Timestamp to Date Converter

Convert between Unix epoch timestamps and human-readable dates with our free Epoch Converter. See the current epoch time and convert in both directions.

Enter a Unix timestamp in seconds or milliseconds format to see the corresponding human-readable date and time in your local timezone. Alternatively, select a specific date and time using the calendar picker to convert it into Unix epoch format. The current epoch timestamp is displayed prominently and updates every second for reference. Both UTC and local timezone conversions are shown simultaneously to help with debugging timezone-related issues. Tuttilo performs all conversions in your browser using JavaScript's built-in date handling. Toggle between seconds and milliseconds based on which format your application uses.

Software developers debug timestamp storage issues by converting database values into readable dates to verify data accuracy. API testers validate webhook payloads containing Unix timestamps by confirming the dates match expected event timing. System administrators investigate server logs containing epoch timestamps to correlate events across different timezone configurations. Data analysts import CSV files with epoch timestamps and convert them to standard dates for spreadsheet analysis and reporting.

Remember that Unix timestamps are always in UTC, so account for timezone offsets when comparing to local times. Some systems use seconds since epoch while others use milliseconds—a 13-digit timestamp likely uses milliseconds, 10 digits uses seconds. Avoid storing dates before January 1, 1970, or after January 19, 2038, if your system uses 32-bit signed integers for epoch values. Use the converter to test edge cases like midnight, daylight saving transitions, and leap seconds when building date-handling code. For very precise timing, note that leap seconds aren't included in Unix time, which can matter for astronomical or scientific calculations.

All processing happens directly in your browser. Your files never leave your device — no server uploads, no cloud storage, no data retention. The tool works offline once loaded, requires no registration, and is completely free with no usage limits.