ISO Date Formatter
Standardize your data. This script demonstrates the built-in toISOString() method, which is the most reliable way to format dates for software and databases.
Current Local Time:
ISO 8601 Output:
Copy the Script
<script>
var d = new Date();
var isoString = d.toISOString(); // 2025-01-01T12:00:00.000Z
// Get just the date (YYYY-MM-DD)
var justDate = isoString.split('T')[0];
document.write(isoString);
</script>Frequently Asked Questions
It is the international standard for date and time representations, typically looking like `2025-12-31T23:59:59.999Z`.
It provides a standardized string that is unaffected by the user's local locale settings, making it perfect for storing in databases.
Yes. You can slice the string: `date.toISOString().split('T')[0]` will give you just `YYYY-MM-DD`.