Google Calendar Guests Modify Event Default is a Chrome add-on developed by Robin Drexler. This free add-on allows users to enable the "Guests can modify event" setting by default when creating a new event in Google Calendar.

With this add-on, users no longer have to manually enable the "Guests can modify event" setting each time they create an event. It saves time and ensures that the setting is always enabled for all new events.

The add-on is easy to install and use. It seamlessly integrates with Google Calendar, providing a convenient and efficient way to modify event settings. Users can find the code for this add-on on Github, allowing for transparency and potential contributions to the project.

Overall, Google Calendar Guests Modify Event Default is a useful tool for individuals who frequently use Google Calendar and want to streamline their event creation process.