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.

• Set upload fields to upload images per product, variant, or collection
• Every upload file is virus-scanned before download is unlocked
• Resumable uploads up to 1 GB survive lost connections without losing progress
• Hourly encrypted offsite backups with 30-day retention
• AES-256 encryption with private Cloudflare R2 and bearer-token access only