Supabase RLS Checker is a free Chrome extension designed to enhance security for applications utilizing Supabase. It automatically verifies Row Level Security (RLS) configurations on websites, providing users with real-time notifications about any potential security risks. This tool is particularly beneficial for developers and web engineers who need to ensure that sensitive data is protected effectively.

Key features include automatic detection of Supabase requests, comprehensive checks of multiple tables containing confidential information, and real-time alerts for any RLS configuration issues. Additionally, the extension verifies the validity and expiration of JWT tokens, ensuring that security measures are consistently upheld while browsing. Overall, Supabase RLS Checker serves as a vital tool for anyone concerned about data security in their web applications.