Unix Timestamp Converter — Epoch to Date Online
Convert Unix timestamps to human-readable dates and back. Auto-detects seconds vs milliseconds, shows ISO 8601, UTC, local time, and relative time — with a live epoch clock. 100% in your browser.
Your data never leaves your browser
Unix (seconds)
1783540919
Unix (ms)
1783540919207
ISO 8601 (UTC)
2026-07-08T20:01:59.207Z
Timestamp or date
Result
About this tool
s/ms auto-detectLive clockBidirectionalY2038 warningPrivate
How to use
- Paste a Unix timestamp or date string.
- View all formats in the output panel.
- Use Date → Unix tab to encode a specific UTC datetime.
Examples
Epoch to date
1700000000
2023-11-14 UTC