K1 Photo Upload File Manager

K1 Upload File lets buyers attach files, photos, any file type to any product. Every upload is scanned by antivirus. Files live on SOC 2 + ISO 27001 certified Cloudflare® R2 infrastructure — private, AES-256 encryption at rest. GDPR-compliant app. Resumable 1 GB uploads survive flaky connections. Hourly encrypted offsite backups with 30-day retention. Set per-product rules, widget design customisation, translations, file requirements, and auto-tag orders with uploaded files.