Nanorater is a web-based AI tool that provides automated facial analysis and an attractiveness score on a 0 to 100 scale. The service allows users to upload a photo and receive an instant face map, an annotated breakdown of facial characteristics, and a score with the reasons behind it. The first result is available without creating an account or providing personal information. The tool evaluates elements such as facial symmetry, eye alignment, skin texture, lighting, expression, and framing, and identifies the most common weak spots across its completed ratings based on anonymous aggregated data refreshed hourly. The workflow involves uploading a photo, receiving an immediate visual face map, and obtaining the AI-generated score with supporting evidence for each assessed area. Alongside the score, the tool provides one practical corrective recommendation, such as adjusting head rotation, modifying facial expression, or addressing skin shine. A paid Glow-Up Report, offered as a one-time purchase at $17.49, expands on the free result by delivering a personalized improvement plan and AI-generated previews of potential changes. The annotated face notes and a professional summary card are both generated from the same uploaded photo so users can compare them side by side. Nanorater also offers guidance on how to capture a suitable photo for analysis. Recommended conditions include using the rear camera lens at 2x zoom held at eye level, standing 1.2 to 1.5 meters from the face, positioning at a 45 degree angle to a diffused window light source, using a plain wall or draped fabric as a background, and adopting a specific pose with shoulders angled away from the lens and chin lowered slightly. The tool processes photos according to its published privacy policy, which covers photo storage and AI processing. Typical use cases include assessing a portrait for dating profiles, directory or casting submissions, ID-style records, and before references for makeover or personal branding projects.