Engine coverage

Free / URL — Yandex (strongest free face matching), Google Lens, Bing Visual, TinEye (perceptual hash), Lenso.ai

Free / Upload — FaceCheck.ID (100 credits/day), Search4Faces (VK + OK, 500M+ Russian profiles)

Freemium — PimEyes (900M+ pages crawled — shows site categories free, direct URLs require subscription ~$29/mo)

Paid — Social Catfish (identity verification + reverse image correlation)

Provide a direct image URL (publicly accessible). For local files: upload to Imgur or similar first to get a public URL.