Developer Utility
Timestamp Converter Tool
Convert between Unix timestamps and date strings.
Language: Date/TimeUtility: Convert
ISO: 2025-01-01T00:00:00.000Z UTC: Wed, 01 Jan 2025 00:00:00 GMT Local: Wed Jan 01 2025 00:00:00 GMT+0000 (Coordinated Universal Time) Unix (seconds): 1735689600 Unix (milliseconds): 1735689600000
What This Tool Does
Switch between Unix and human-readable time quickly during incident response and API debugging.
Use it to inspect or transform input quickly, then carry validated output into code, tests, or API requests.
Common Use Cases
- Decode log timestamps during outages.
- Compare token expiry in UTC vs local time.
- Check seconds vs milliseconds timestamp mistakes.
Common Pitfalls
- Seconds and milliseconds are easy to mix up.
- Timezone assumptions can mislead diagnosis.
FAQ
Does this show UTC and local time?
Yes, both views are shown for cross-checking.
Why is my date off by 1000x?
You likely passed milliseconds as seconds or vice versa.
Does this tool send data to a backend?
Most tools process input client-side in your browser unless explicitly noted.