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

K1 Preorder is a deposit app to collect deposits and manage preorder products. Add pre-order button to order out of stock items. Accept down payment, advance payment, or pay deposit options. Enable out of stock pre order with order deposit feature. Customers can pre order with deposit, make deposit pre order, or downpayment. Perfect deposit payment solution for pre order deposit management.

• Offer multiple payment plans for out of stock products - full and partial pay
• “Continue selling when out of stock” automation for backorder & presale products
• Pre order manager that allows displaying product-specific info from metafields
• Translate pre-order app, pre sale widget & coming soon product into any language
• Reliable help from K1 Preorder app founders for your sold out products