N1 Viewer is a fast native Windows photo viewer built for photographers and large image collections. Browse RAW, HEIC, AVIF and JPEG XL, experience accurate SDR, HDR and wide-gamut color, compare up to four photos, and quickly cull with ratings and labels. Optional on-device AI lets you find images by description, discover similar photos, detect duplicates, generate tags and search text with OCR. No cloud processing required for local AI features.
