GCP IAM Catalog
Explore and compare Google Cloud Platform IAM roles and permissions
Browse Roles
Explore all predefined GCP IAM roles and see what permissions each role includes. Search and filter to find the right role.
Browse Permissions
Find which roles grant a specific permission. Understand the relationship between permissions and roles.
Find Matching Roles
Build include and exclude permission filters to identify IAM roles that fit the access profile you need.
What can this site do for you?
Role-to-Permission Mapping
View all permissions included in each IAM role across GCP services. Learn more
Permission-to-Role Mapping
Identify which roles grant a specific permission. Learn more
Side-by-Side Comparison
Compare any two roles or permissions to see what they share and what's unique to each.
Least-Privilege Role Discovery
Narrow candidates by requiring specific permissions and filtering out roles that grant access outside your target scope.
Updated Daily
Data is automatically refreshed from the GCP IAM API every day.
⚠️ This is an independent tool, not affiliated with or endorsed by Google.