Developer Utility
Date to Unix Timestamp Tool
Turn an ISO date/time into Unix seconds and milliseconds.
Language: Date/TimeUtility: Convert
Unix seconds: 1767225600 Unix milliseconds: 1767225600000 UTC: Thu, 01 Jan 2026 00:00:00 GMT
What This Tool Does
Convert planned dates into Unix values for APIs, schedulers, and token claim construction.
Use it to inspect or transform input quickly, then carry validated output into code, tests, or API requests.
Common Use Cases
- Set exp values for JWT test payloads.
- Build time-windowed API requests.
- Prepare migration scripts with deterministic timestamps.
Common Pitfalls
- Local timezone conversion can shift expected output.
- Invalid date formats produce misleading results.
FAQ
Should I pass local time or UTC?
Use explicit timezone-aware input to avoid ambiguity.
Does output include ms and s?
Yes, both are provided for API compatibility.
Does this tool send data to a backend?
Most tools process input client-side in your browser unless explicitly noted.