CorrectICS

Validate an ICS File

Upload a .ics (iCalendar) file and get a clear list of issues that cause imports to fail or behave incorrectly.

Validate & Fix an .ics

What this checks

  • Missing required fields (e.g., DTSTART, UID, VERSION)
  • Invalid time zones (TZID) and broken VTIMEZONE blocks
  • Line folding, encoding, and formatting issues that break imports
Next step Validate your file, then use the fix flow to download an import-ready version.