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PDF Shaper vs Stirling PDF: catalog facts
PDF Shaper	Stirling PDF
Free Free download with no subscription.	Freemium Free plan is $0/month with no card required (60+ tools, web/desktop/self-hosted, 500…
Windows	Windows, macOS, Linux, Web, Self-hosted
Works offline with no file uploads Broad set of conversion, page and security tools	55+ PDF tools covering signing, converting, merging, editing, OCR and redaction, chained in a stateful workspace with… Runs on Docker, bare metal, Kubernetes or as native desktop apps for Windows, macOS and Linux
Windows only Not a full PDF text editor	Open-core: SSO, external database, Google Drive integration, SAML and audit logs are gated behind paid Team or… Manual server setup needs Java 25+ plus LibreOffice and Tesseract for conversions and OCR
Downloadable app	Self-hosted, Downloadable app, Web application, Hosted service
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.