Calendar
6 tools, including Calendar event (.ics), CSV to ICS, ICS to CSV and ICS to JSON. All free, with no account and nothing to install.
Calendar event (.ics)Create a calendar event and download it as an .ics file for any app.CSV to ICSTurn a spreadsheet of dates into a calendar file any app can subscribe to.ICS to CSVTurn a calendar file into a spreadsheet of events, with real dates instead of ICS stamps.ICS to JSONExport calendar events as JSON, with each ICS timestamp converted to ISO-8601.ICS viewerOpen a calendar invitation or export and read its events before importing anything.Merge ICS filesCombine several calendar files into one, keeping every event.