Numii - Coin Photo Identifier

Numii — Your professional coin identification, valuation and collection manager. Whether you’re cataloguing a lifetime collection or discovering an unexpected find, Numii turns two photos into a complete coin profile — fast, reliable, and built for collectors of all levels. Instant AI Identification • Snap obverse and reverse photos (or upload images) — our AI finds matching coin types in seconds. • Recognizes modern, historical and foreign issues as well as many varieties and mint marks. • Visual search tuned for real-world photos: rotations, partial wear and common lighting conditions. Deep Coin Data • Full metadata: country, year, denomination, mint mark, designer, composition, diameter and weight (when available). • Rarity & mintage guidance and contextual historical notes to help you learn the story behind each coin. • Multiple catalog references per coin for cross-checking and research. Market Pricing & Valuation • See up-to-date reference prices and suggested market ranges to quickly assess value. • Price trends and market notes help you track how values change over time. Professional-Grade Tools • Grading guidance and error-coin detection to flag potential varieties and misprints. • Exportable reports for coins you want professionally appraised or to share with dealers. Smart Collection Management • Create unlimited collections to organize by set, country, year, condition or personal tags. • Track totals and estimated collection value at a glance. • Add notes, purchase details, photos and provenance for every item. How Numii Helps You • Learn: built-in coin guides and fun facts make it easy to deepen numismatic knowledge. • Organize: move from shoebox to searchable, secure digital catalog. • Trade: prepare well-documented entries to show other collectors or offer for sale. Secure & Simple • Easy-to-use camera workflow for quick results. • Optional cloud backup to keep your catalog safe and available on your devices. • We respect your privacy — data handling follows our privacy policy below. Subscriptions & Trial Numii is free to download and includes identification and basic collection features. Premium unlocks unlimited identifications, advanced grading reports, full-market price history, cloud backup and pro features.