GA4 Annnotations – Looker Studio Connector

App details

First Release: Aug 2025

Google Looker Studio price: Free

GA4 Annotation connector : Free

This is a free connector – no account required to use it except with Google to access Looker Studio.

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Visualize Your GA4 Annotations in Looker Studio

The GA4 Annotations connector integrates your Google Analytics 4 annotation data into Looker Studio, allowing you to visualize important events and milestones alongside your performance metrics.

Transform your GA4 annotations into powerful visual insights by displaying campaign launches, website updates, promotional periods, and other key business events directly within your Looker Studio dashboards. Create comprehensive reports that show the correlation between your annotations and performance data.

Easily organize and categorize your annotations using custom color-coding systems, then share these insights with internal stakeholders, agency clients, and team members.

Combine your annotation data with Google Analytics, Google Ads, and other third-party sources to create a complete picture of how external events impact your marketing performance.

Integration Features:

  • Custom Visual Reporting: Display GA4 annotations with full context including titles, descriptions, dates, and custom categories
  • Color-Coded Organization: Assign custom categories to different annotation colors (Purple, Brown, Blue, Green, Red, Cyan) for better organization
  • Flexible Date Handling: View both single-date annotations and date range annotations with automatic expansion for multi-day events
  • Multi-Property Support: Select from all your available GA4 properties with easy search functionality
  • Seamless Integration: Combine annotation data with other data sources in Looker Studio for comprehensive reporting
  • Real-Time Access: Connect directly to your GA4 annotations through secure OAuth2 authentication
  • Easy Sharing: Share annotation insights and their impact on performance with teams and clients
  • Custom Categories: Create meaningful category names like “Site Updates,” “Promotions,” “Product Launches” for better data organization

Perfect for digital marketers, analysts, and agencies who want to understand the impact of business events on their website performance and create more contextual reporting in Looker Studio.