Stirling PDF
Stirling PDF is a desktop PDF editor and processor for macOS that helps you edit, convert, merge, compress, and organize PDF files.
What is Stirling PDF?
Stirling PDF is a PDF editing and processing app for Mac that helps users work with documents locally on their computer or through Stirling Cloud or a self-hosted server. It is designed for people who need everyday PDF tools such as merging files, reorganizing pages, compressing large documents, converting between PDF and other formats, and making scanned PDFs searchable with OCR. The desktop app supports Local Only mode for workflows that should stay on the device, while some cloud-marked tools can connect to Stirling Cloud or an organization-managed server. It also includes workspace features for handling multiple files, text and page editing tools, comparison tools, and options for saving processed documents back to disk. Stirling PDF is published by Stirling PDF and is available as a native desktop app for macOS, with related desktop versions for Windows and Linux.
Key features
- Edit PDF text and images in supported documents
- Merge multiple PDFs into a single file
- Reorder, rotate, split, and delete pages
- Compress PDFs to reduce file size
- Convert between PDF and other file formats
- Run OCR and cleanup tools on scanned PDFs
- Compare two PDFs to review text differences
- Work offline in Local Only mode on your Mac
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Safety overview
Status: Mostly safe
Stirling PDF is a legitimate PDF tool for document editing and processing. Access to your files is expected for its purpose. In Local Only mode, document processing stays on your Mac. If you sign in to Stirling Cloud or connect the app to a self-hosted server, some features can send files to that service for processing, so use Local Only mode for sensitive documents unless you trust the connected service and its privacy practices.
Recommendation: Keep Stirling PDF if you use it for PDF editing, conversion, OCR, or document organization on your Mac. If you no longer need it, you can remove the app and its support files, but doing so may remove saved preferences, connection settings, and local workspace data.
Common paths
/Applications/Stirling PDF.app
Support paths
~/Library/Application Support/Stirling-PDF/Library/Application Support/Stirling-PDF
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