Convert Unix timestamps, ISO strings, UTC, and local time.
Paste seconds, milliseconds, or an ISO date and get readable time values instantly.
Workspace
Timestamp parsed successfully.
Enter a Unix timestamp or ISO date.
Unix seconds1783047002
Unix milliseconds1783047002000
ISO 86012026-07-03T02:50:02.000Z
UTCFri, 03 Jul 2026 02:50:02 GMT
Local time7/3/2026, 2:50:02 AM
About this timestamp converter
Use this timestamp converter to move between Unix seconds, Unix milliseconds, ISO strings, UTC dates, and local time during logs or API debugging.
Common use cases
- Convert API timestamp fields into readable dates.
- Compare local time and UTC time while debugging scheduled jobs.
- Generate current Unix seconds or milliseconds for test data.
How to use this tool
- Paste a Unix seconds value, Unix milliseconds value, or ISO timestamp.
- Review the local time, UTC time, Unix seconds, and Unix milliseconds outputs.
- Use the current time shortcut when you need a fresh timestamp for testing.
Example
Input
1717588800
Output
Unix milliseconds: 1717588800000 ISO 8601: 2024-06-05T12:00:00.000Z
Common errors
- A 10-digit Unix value is usually seconds; a 13-digit Unix value is usually milliseconds.
- Invalid ISO strings cannot be converted until the date format is corrected.
- Timezone confusion is common, so compare both local time and UTC output.
Privacy note
Dev Atlas keeps this tool local in your browser. Your input is not intentionally uploaded to a Dev Atlas server for processing.
FAQ
How does it detect seconds vs milliseconds?
Small numeric values are treated as Unix seconds; larger values are treated as milliseconds.
Does it use my local timezone?
Yes. It shows both UTC and your browser's local time.
Can it parse ISO date strings?
Yes. Paste an ISO string and the tool converts it into Unix and readable formats.