Calculates and displays Flesch-Kincaid Grade Level and Flesch Reading Ease scores Shows word count, sentence count, average words per sentence, and average syllables per word Highlights difficult sentences (optional and customizable) Customizable minimum word count for analysis Options page for easy customization Popup with quick access to results and options Refresh button to recalculate scores Works with dynamic content changes Error handling for insufficient content Persistent settings across browser sessions
