WorkbenchA useful little toolbox.

CSV → ICS calendar

Create calendar events from a table of titles and dates.

Processed on your device. No file upload.
Choose a file to get started

Drop it here, or use the file picker.

How to use this tool

  1. Choose your file or try the example.
  2. Run the tool and check the result.
  3. Save the result where a download is available.

Supported features & limits

Required columns: Summary, Start. Optional: End, Location, Description. Start/End must use YYYY-MM-DD for all-day events or ISO timestamps with Z / timezone offset. Uses UTC for timed events. UTF-8 comma-separated CSV with quoted cells. Maximum 1 MB and 10,000 events.

What happens to my files?

Your browser reads the file locally. File contents are not sent to our server. Closing or resetting this page clears the working result. Downloaded copies remain on your device.

Maintained by Roman Zmazhenko. Updated 1 November 2026.