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Stop PDF leaks without DRM.

Invisible, order-tied fingerprints for PDFs — trace any leak to the original purchase. No viewer lock-in.

Add a low-visibility forensic grid to each download in seconds. Buyers get normal files; you can verify any copy later with a single API call.

Read the Docs Woo plugin (ZIP)

Why InkDNA

🧬 Forensic grid & traceable

Each file gets a low-visibility forensic grid so leaks can be traced to their source — beyond visible watermarks.

⚡️ Developer-first

Simple REST API with JS & Python SDKs. Works with WooCommerce, Shopify, Zapier & Make.

🔒 Private by default

No content stored beyond processing. Bring your own storage and keep control.

🚀 Fast setup

Paste your key, call /mark and /detect, and you’re live in minutes.

Starter
For independent authors & micro-presses
  • 50 MB per PDF · 500 pages
  • 1,000 ops / month
  • Email support
Enterprise
Custom*
  • 150 MB per PDF · 2000 pages
  • 5,000 ops / month
  • Higher concurrency & SSO
  • Volume pricing, SLA, onboarding

* Final price shown at checkout. Higher limits available via sales.