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You can reduce unauthorised sharing, but no downloadable file is impossible to copy. Combine sensible access controls with a purchase experience that legitimate customers can use easily.
Layers 1 and 2: clear rights and controlled access
State the licence scope before checkout and include it in the download package. Deliver through the app’s purchase-based access route rather than a public cloud link that anyone can forward. Avoid collecting unnecessary personal data for protection.
Layer 3: reasonable download limits
Set enough attempts for a failed connection and a second device. Too strict a limit creates support work without preventing someone from copying an already-downloaded file. Test how a legitimate buyer requests renewed access.
Layer 4: PDF stamping
A buyer-specific watermark can discourage casual redistribution. BIG’s documented stamping workflow uses an unprotected PDF. Test small pages, dark backgrounds and diagrams so the stamp does not damage the product.
Layer 5: an incident response
Keep evidence of your original work and the unauthorised distribution you find. Follow the relevant platform’s reporting process and review the facts before making a claim. Improve controls where useful without describing any app as an absolute piracy guarantee.
Your practical action plan
- Prepare the deliverable. Keep an original backup and publish a clear version. List the formats, compatibility and licence scope before the customer purchases.
- Connect and test in Shopify. Map the file, link or key to the right product and variant. Use the appropriate standard, custom or scheduled delivery mode. Check a controlled purchase on desktop and mobile.
- Choose capacity and monitor it. Use catalogue size and expected monthly transfer to choose a plan. Track actual usage and support questions after launch, especially before a promotion.
Before you publish
- The product page matches the actual files, access and timing.
- A sample or preview reflects the product customers receive.
- The purchase, email and mobile access route have been tested.
- Compatibility, licence terms and support contact are easy to find.
- Capacity and costs have been checked against the current plan.
Where BIG fits
BIG connects Shopify products with digital files, links and licence keys. It supports standard, custom and scheduled products. Paid plans include unlimited order counts, with plan-specific storage and bandwidth; API access and outgoing webhooks require Growth or Enterprise.
Explore the features, check the plans or prepare your next launch with the free tools.
Sources & review
Updated 22 Sept 2026 by The BIG team. Product capabilities and prices can change; check the official source before choosing a subscription. Examples are illustrative, not customer results or income guarantees.


