BuySoftwaresOnlineStirling-PDF
Self-hosted PDF toolbox (50+ tools)
PDF & Note-TakingMITDocker · Web (self-hosted)
About Stirling-PDF
Stirling-PDF is a web app with over 50 PDF operations — merge, split, OCR, compress, sign, redact, convert — with multi-language OCR and pipeline automation. Smallpdf and Adobe online, self-hosted.
Stirling-PDF is completely free and open source (MIT) — no trials, no subscriptions, no locked features. Always download from the official website to avoid bundled malware.
Free alternative to: Smallpdf Pro / Adobe online (paid)
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