Meet Kura

The PDF standards and preflight engine. Convert any PDF to every PDF/A level, PDF/UA, PDF/X, PDF/E and PDF/VT, then preflight the result against 396 bundled profiles to confirm it conforms.

Ships as a CLI, npm package, browser WebAssembly build, Docker image and C library.

See pricing
25conformance targets
396bundled preflight profiles
0false findings in conformance testing
5form factors, one engine

Open source, self-hosting and internal use stay free. Kura is licensed under the AGPL-3.0. If your project is AGPL-compatible, or you run Kura as-is for yourself, you never need a commercial license. Commercial licenses are only for shipping Kura inside closed-source software.

Commercial Licenses

Per product, billed annually. Every tier includes all updates and new releases while active.

Solo

One developer, under $100k annual revenue

$99/ year
  • One closed-source product
  • All updates while active
  • Email support
Get Solo

Indie

Companies under $1M annual revenue

$199/ year
  • One closed-source product
  • Unlimited developers
  • All updates while active
  • Email support
Get Indie

Business

Companies at $1M annual revenue or more

$499/ year
  • One closed-source product
  • Unlimited developers
  • All updates while active
  • Priority email support
Get Business

OEM

Redistribution, reselling as an SDK, or offering Kura as a service

from$1,999/ year
  • Redistribution rights
  • Terms shaped to your product
  • Priority support
Contact us

Commercial license details

Delivery & licensing model

  • No license key is required or provided. Kura intentionally does not use license keys, to streamline deployment and reduce operational friction.
  • Upon purchase you receive a ZIP archive containing the complete Kura source code.
  • Because Kura is open source, every release and every update can always be downloaded from our