Compare software

DeftPDF vs Stirling PDF: catalog facts
DeftPDF	Stirling PDF
Freemium Free to use with limits; Premium membership raises file size and batch limits and adds AI…	Freemium Free plan is $0/month with no card required (60+ tools, web/desktop/self-hosted, 500…
Android, iOS, Web	Windows, macOS, Linux, Web, Self-hosted
More than 40 PDF tools in one place Document translation and OCR included	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
Files are uploaded to DeftPDF's servers for processing Free tier limits file size and batch size	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, Web application	Self-hosted, Downloadable app, Web application, Hosted service
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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