Convert Unix timestamps
Enter a Unix timestamp (seconds or milliseconds, auto-detected) or a date string to see every common representation, Unix seconds, milliseconds, ISO 8601 and UTC. The report is stored privately in your account.
No sign-up needed, runs instantly in your browser.
How it works
- 1Enter a timestamp or date
- 2Pick how to read the number, then press Run
- 3Download the report or find it in your files
Frequently asked questions
- Seconds or milliseconds?
- Leave it on Auto and large values are treated as milliseconds; or force the unit explicitly.
- Can I enter a date instead?
- Yes, paste an ISO date like 2026-06-07T12:00:00Z and it converts to a timestamp.
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