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PDF Mix Tool vs Stirling PDF: catalog facts
PDF Mix Tool	Stirling PDF
Free Free and open source under the GPLv3.	Freemium Free plan is $0/month with no card required (60+ tools, web/desktop/self-hosted, 500…
Linux	Windows, macOS, Linux, Web, Self-hosted
Merge, split, rotate, N-up and booklet creation in one app Few dependencies (Qt and qpdf)	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
Page-level operations only, no content editing Linux focused	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
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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