Compare software

Stirling PDF vs OffPDF: catalog facts
Stirling PDF	OffPDF
Freemium Free plan is $0/month with no card required (60+ tools, web/desktop/self-hosted, 500…	Free Free and open source under the MIT license, with no paid tier.
Windows, macOS, Linux, Web, Self-hosted	Windows, macOS, Web
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	Includes desktop and browser tools Processes files locally
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	The macOS app supports Apple silicon. OCR, Office conversion, encryption, and repair require the desktop app.
Self-hosted, Downloadable app, Web application, Hosted service	Downloadable app, Web application
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 8, 2026

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