50+ PDF tools — Merge, split, sign, redact, convert, OCR, and compress documents.
No-code automation — Build PDF processing pipelines directly in the UI with REST APIs.
Private deployment — Run as desktop client, browser app, or self-hosted server without external services.
Enterprise features — SSO, audit logs, and flexible on-premises deployments available.
Multi-language support — Interface available in 40+ languages.
Stirling PDF is a self-hosted alternative to cloud PDF tools, eliminating the need to upload documents to external services. Run it locally as a desktop app, web UI, or containerized server with a REST API for integrating into existing workflows. With 50+ tools covering editing, conversion, OCR, and automation, it handles everything from simple merging to enterprise-scale document processing pipelines.
Requires Docker or Java 17+ for server deployment; desktop apps available for Windows, macOS, and Linux.