Free online tools to generate, calculate, convert, format, transform, and de/en-code.
 

Date Format

Convert dates between different formats including ISO 8601, Unix timestamp, and custom date strings.

Input Date

Enter Unix timestamp in seconds (10 digits) or milliseconds (13 digits)
Format: YYYY-MM-DDTHH:mm:ss.sssZ
Enter any recognizable date format (e.g., "Jan 15 2024", "2024/01/15", "15-01-2024")

How to Use

Convert Date Formats

  1. Select your input type (Date Picker, Unix Timestamp, ISO 8601, or Custom String)
  2. Enter or select the date you want to convert
  3. Click "Convert" to see the date in all available formats
  4. Click the "Copy" button next to any format to copy it to your clipboard

Supported Input Formats

  • Date Picker: Select date and time using the browser's date/time picker
  • Unix Timestamp: Seconds (10 digits) or milliseconds (13 digits) since January 1, 1970
  • ISO 8601: International standard format (YYYY-MM-DDTHH:mm:ss.sssZ)
  • Custom String: Any recognizable date format like "January 15, 2024" or "15/01/2024"

Output Formats

  • ISO 8601: Standard format used in APIs and databases
  • Unix Timestamp: Used in programming and systems
  • RFC 2822: Email header format
  • Human Readable: Long and short date/time formats
  • Common Formats: YYYY-MM-DD, DD/MM/YYYY, MM/DD/YYYY

Tips

  • All conversions are done in your browser - no data is sent to any server
  • The converter handles timezone conversions automatically
  • Unix timestamps are timezone-independent (always UTC)
  • Use "Set to Now" for quick access to the current date and time

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