Qpdf Tools vs Stirling PDF: catalog facts
 Qpdf Tools |  Stirling PDF |
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Free Free and released into the public domain under the Unlicense. |
Freemium Free plan is $0/month with no card required (60+ tools, web/desktop/self-hosted, 500… |
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Linux |
Windows, macOS, Linux, Web, Self-hosted |
- Compress, split, merge and rotate PDFs
- Works locally without uploading files
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- 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
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- Covers basic tasks only, no editing or annotation
- Small project with few contributors
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- 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
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Downloadable app |
Self-hosted, Downloadable app, Web application, Hosted service |
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Open source |
Open source |
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License: Unlicense |
License: MIT |
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Not stated if an account is needed |
No account needed |
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Works offline |
Works offline |
Checked October 1, 2026 | Checked September 20, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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