ISO 8601 Formatter
Validate and transform any date string into standard ISO 8601 and other machine-readable formats
Valid Date
Standardized Outputs
ISO 8601 (Full)
Complete date and time in UTC
2026-03-06T13:40:31.056ZISO 8601 (YMD)
Date part only
2026-03-06Local ISO Representation
No timezone offset
2026-03-06T13:40:31Localized String
User regional format
3/6/2026, 1:40:31 PMShort Date
Brief regional date
3/6/2026RFC 2822 / UTC
HTTP/Email standard
Fri, 06 Mar 2026 13:40:31 GMTInput Controls
Quickly reset to the current system time to generate a fresh ISO string.
About ISO 8601
Standardized in 1988, ISO 8601 provides an unambiguous method of representing dates and times, facilitating data exchange between different systems.
Privacy First
All date parsing and formatting occurs client-side. No temporal data is transmitted.
FAQs
What date strings can I input?
You can input ISO strings, UTC strings, regional dates, or even Unix timestamps (in milliseconds).
Why use ISO 8601?
It eliminates confusion by using a standardized YYYY-MM-DD order, making it the most reliable format for APIs and databases.