Free, browser-based utilities for everyday developer workflows

Timestamp Converter

Convert Unix epoch timestamps (seconds, milliseconds, microseconds, nanoseconds) to human-readable date/time and back. Everything runs locally in your browser.

  • Convert Unix epoch seconds/milliseconds to dates.
  • Convert date/time to epoch quickly.
  • Outputs seconds, ms, microseconds, and nanoseconds.

Epoch -> Date

Mode:
Waiting for input
Local
UTC
ISO (UTC)

Date -> Epoch

Tip: if the text has no timezone (e.g. "2025-12-26 16:00:00"), it is treated as local time.
Waiting for input
Unix seconds
Unix milliseconds
Unix microseconds
Unix nanoseconds
Notes
  • This tool does not send data to a server.
  • Local time formatting depends on your device locale/timezone settings.
  • Share button creates a link like ?epoch=....