ICS Event Generator
Generate RFC 5545-compliant .ics files in your browser and create event files that can be imported into calendar applications
Last updated:
How to Use
Expand how to useCollapse how to use
- 1
Enter event details
Fill in event information such as title, date and time, and timezone
- 2
Configure options
Set optional fields such as location, description, recurrence rule, and reminder as needed
- 3
Generate and download the ICS file
Click the "Generate ICS" button, then copy or download the generated file
Event Details
Options
ICS Output
Enter event details and click the "Generate ICS" button
About ICS Event Generator
ICS Event Generator creates RFC 5545-compliant .ics calendar files directly in your browser. Fill in event details — title, date, time, location, description, and optional recurrence rules — and download a standards-compliant .ics file that can be imported into any major calendar application including Google Calendar, Microsoft Outlook, Apple Calendar, and Thunderbird. It supports all-day events, timed events with start and end times across any time zone, and recurring events (daily, weekly, monthly, yearly). Reminder settings let you add alerts before the event. The generated file follows the iCalendar standard precisely, ensuring maximum compatibility across platforms.
Key Features
- Generate RFC 5545-compliant ICS files directly in your browser
- Support for both all-day events and time-specific events
- Timezone selection, recurrence rules (RRULE), and reminder settings
- Copy or download the generated ICS file
Use Cases
- Creating a calendar invite file to share a meeting across Google Calendar and Outlook users
- Generating an ICS file for a recurring weekly team standup or one-on-one
- Creating an event file to share a conference, webinar, or community meetup with attendees
- Migrating events from one calendar app to another by exporting and re-importing via ICS
- Building an ICS download link on a website so visitors can add events to their calendar
- Learning and validating the ICS format for calendar app development
FAQ
What is an ICS file?
ICS (iCalendar) is a standard format for calendar data defined by RFC 5545. It can be imported by most calendar applications, including Google Calendar, Outlook, and Apple Calendar.
How do I set up a recurrence rule (RRULE)?
Enter an RFC 5545-formatted recurrence rule in the RRULE field. You can use the RRULE Builder tool to easily create an RRULE string through a graphical interface.
Which calendar applications support the generated ICS file?
The generated file works with any calendar application that supports the iCalendar format, including Google Calendar, Microsoft Outlook, Apple Calendar, and Thunderbird.