Timestamp Converter
This free timestamp converter tool turns a Unix epoch value or a date string into readable dates across ISO 8601, UTC, local and any time zone — and back again. It all runs on your device, so nothing you paste is sent anywhere.
How to use Timestamp Converter
- 1 Paste a Unix timestamp or a date string, then click Convert — or click Now for the current moment.
- 2 Alternatively use the date & time picker and choose whether to read it as Local or UTC.
- 3 Read the results: Unix seconds and millis, ISO 8601, UTC and local time.
- 4 Pick any zone from 'Convert to time zone' to add that view, and copy any row you need.
Frequently asked questions
Is my timestamp data uploaded to a server?
No. All parsing and conversion happens locally in your browser. Nothing you enter is sent to a server, so it is safe for private or internal timestamps.
Does it auto-detect seconds, milliseconds or nanoseconds?
Yes. When you enter an all-digit value the tool detects whether it is Unix seconds, milliseconds, microseconds or nanoseconds and tells you how it interpreted it.
Can I convert a date into a different time zone?
Yes. After converting, choose a zone from the 'Convert to time zone' dropdown and the tool adds that formatted time to the results alongside UTC and local.
Does the converter work offline?
Yes. PDFPowerHub is a PWA, so once loaded it keeps converting timestamps with no internet connection.