Power Automate Expression Helper is a Chrome extension designed for users of Power Automate, enabling them to write and troubleshoot expressions effectively within the designer. This tool introduces a movable helper panel that simplifies the process of entering expressions by providing plain-English explanations, making it easier for users to understand the functionality of their inputs. It also identifies common issues like unmatched brackets and missing quotes, ensuring smoother workflow creation.

In addition to its troubleshooting capabilities, the extension features a comprehensive searchable expression library filled with examples covering various data types and operations. Users can easily copy, analyze, or insert these examples into their workflows, enhancing their productivity. Key features include static syntax checks, intent-to-expression suggestions, and support for both the fx editor and standard input fields, all while maintaining user privacy by not collecting or storing any flow data.