The Calendar.online Plugin for WordPress offers a straightforward solution for integrating a free calendar into websites. Designed for business and productivity, it provides users with a responsive calendar that adjusts to various device sizes. Users can view events in multiple formats, including daily, weekly, monthly, or yearly layouts. Customization options include adjustable daily start and end times, along with configurable time intervals. Additionally, the plugin allows for the creation of sub-calendars in different colors for enhanced organization.

Management of events is made convenient through an external access link, enabling users to handle their calendars even on mobile devices. To set up, users need to create a free account on Calendar.online and insert a specific shortcode into their WordPress site. The plugin is GDPR compliant, ensuring data protection for users in the European Union.