Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back, with seconds and milliseconds support shown in both UTC and your local time zone.
Runs entirely in your browser — nothing is uploaded.
About Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back, with seconds and milliseconds support shown in both UTC and your local time zone.
- Two-way conversion: epoch to date and date to epoch, live as you type.
- Handles seconds and milliseconds and shows UTC plus local time side by side.
- Includes a one-click “now” and relative time (e.g. “3 hours ago”).
Timestamp Converter is part of Upwwards Tools, a free collection of browser-based utilities built by the team at Upwwards. Like the rest of the suite, it's free, requires no sign-up, and keeps your data on your device.
Frequently asked questions
What is Timestamp Converter?
Convert Unix epoch timestamps to human-readable dates and back, with seconds and milliseconds support shown in both UTC and your local time zone.
Is Timestamp Converter free to use?
Yes — Timestamp Converter is completely free with no sign-up, account or usage limits. It is part of the free Upwwards Tools collection built by Upwwards.
Is my data private when I use Timestamp Converter?
Timestamp Converter runs entirely in your browser. Everything you enter or upload is processed locally on your device and is never sent to a server, stored or logged.
Do I need to install anything to use Timestamp Converter?
No. Timestamp Converter works instantly in any modern web browser on desktop or mobile — there is nothing to download or install.