Stirling PDF
stirlingpdf.comPDF Infrastructure for Developers — secure, open-source, self-hosted
Dev Toolspdfopen-sourceself-hostedapidocument-processingair-gappedenterprise
About
Stirling PDF is an open-source PDF platform that provides APIs, SDKs, an AI agent toolkit, and a self-hosted editor for processing sensitive documents entirely on your own infrastructure. It is designed for enterprises that require air-gapped, HIPAA-compliant, or firewall-restricted document workflows. Trusted by over 55,000 companies including 75% of the Fortune 500, it has surpassed 25 million downloads.
Problem
Organizations handling sensitive documents cannot safely send them to third-party cloud PDF services and need a secure, self-hosted alternative.
For
Enterprise developers and security-conscious organizations needing on-premise PDF processing
How it works
Stirling PDF is deployed on a user's own infrastructure (bare metal, private cloud, or air-gapped environments) and exposes PDF APIs, MCPs, and an editor that process documents locally without any data leaving the machine.
Business model
open-source
Status
launched