Convert Unix ↔ Date - SwiftBox
Convert Unix timestamps to readable dates and convert dates back to Unix timestamps.
How to use
- Enter a Unix timestamp (seconds or ms as prompted).
- Read the human-readable date/time.
- Copy it into logs or docs.
Common use cases
- Decode timestamps in server logs.
- Check JWT or order expiry times.
- Align on an instant across time zones.
FAQ
Seconds vs milliseconds?
≈10 digits → seconds, ≈13 → ms. Wild year gaps usually mean wrong unit.
Which time zone?
Your browser local zone unless options say otherwise.
Negative timestamps?
Pre-1970 instants — supported in JS, not always in business systems.