PSL Rating is a photo-based facial attractiveness estimation tool that uses AI technology to analyze facial features and provide a score ranging from 1 to 8. Users can upload a clear front-facing photo, and the AI will process the image in the browser, providing a free basic rating result that includes an overall score, tier label, category scores (Harmony, Dimorphism, Angularity, Presentation), and photo confidence index. Users can also choose to get a more in-depth PSL report for detailed analysis and improvement suggestions.