PDF Expert
PDF Expert is a macOS PDF editor and reader for viewing, annotating, signing, organizing, and converting PDF documents.
What is PDF Expert?
PDF Expert is a native macOS PDF editor and reader that helps people work with documents in a more flexible way than a basic viewer. It is used to read PDFs, annotate files, fill out forms, sign paperwork, combine or rearrange pages, and export documents to other formats for sharing or revision. Students, office workers, lawyers, researchers, and anyone who handles contracts, reports, or study material commonly use it for everyday document tasks. The app also supports editing existing PDF content, managing pages, adding comments and markup, and working across Apple devices as part of a broader document workflow. PDF Expert is published by Readdle Technologies Limited and is primarily focused on document productivity on Mac.
Key features
- Read PDF documents with viewing modes, navigation tools, and search
- Annotate files with highlights, notes, drawing tools, and comments
- Fill out PDF forms and add signatures to documents
- Edit PDF text, images, and links in supported workflows
- Reorder, merge, rotate, and organize pages within a PDF
- Convert PDFs and export documents to other file formats
- Compress files and use OCR-related tools in supported versions
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Safety overview
Status: Safe
PDF Expert is legitimate document software for macOS. It needs access to the files you open or save, which is normal for a PDF editor, and some features may use internet-connected services depending on how you choose to work. Use standard care with sensitive documents, especially contracts, IDs, or financial records, and review sharing or cloud options before sending files elsewhere.
Recommendation: Keep PDF Expert if you use your Mac for reading, editing, signing, or organizing PDFs. Remove it only if you no longer need its document tools or prefer another PDF workflow, since deleting it will also remove its local app settings and may interrupt any routines built around it.
Common paths
/Applications/PDF Expert.app
Cache paths
~/Library/Caches/com.readdle.PDFExpert-Mac
Support paths
~/Library/Application Support/PDF Expert
Preference paths
~/Library/Preferences/com.readdle.PDFExpert-Mac.plist
Container paths
~/Library/Containers/com.readdle.PDFExpert-Mac
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