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ToolDesk

Timestamp Converter

Convert Unix timestamps (s/ms) to dates and back. Shows UTC and local time together.

Dev

How to use

  1. Use "Timestamp → Date" to turn Unix seconds/ms into a date.
  2. Use "Date → Timestamp" to turn an ISO date string into Unix values.
  3. Press Now to grab the current timestamp.

FAQ

How are seconds vs milliseconds detected?

By digit count (roughly 13+ digits is treated as milliseconds).

Which timezone is local time?

It follows your browser/device timezone setting.

Is my data uploaded?

No. Conversion happens entirely in your browser.