Turn your iPhone into a professional PDF studio. Read, annotate, merge, split, compress, perform OCR, add handwritten signatures, and encrypt with passwords, all locally and offline, keeping your privacy intact.
PDF-PRO is a one-stop PDF studio for iPhone - read, annotate, merge, split, compress, perform OCR, add handwritten signatures, and encrypt with passwords, all done locally on the device.
Built on top of Apple's native PDFKit, VisionKit, Vision, PencilKit, and StoreKit 2, PDF-PRO combines modern iOS design with powerful document capabilities. More importantly, all operations are done locally and offline - your files never leave the device.
Reading and Annotation
• Smooth rendering with PDFKit, supports continuous scrolling, two-finger zooming, and single-page mode
• Highlight, underline, strikethrough, and freehand drawing
• Bookmarks, full-text search, and quick page jumps
Organization
• Combine multiple PDFs into one, or split a document into separate files
• Drag-and-drop sorting, rotate, and delete pages
• Convert photos and scans into neat A4-sized PDFs
OCR
• Powered by Apple Vision, supports high-precision multi-language recognition
• Copy recognized text directly from any page
Compression
• Three levels: mild/standard/deep, can reduce file size by up to about 80%
• Easily meet size limits for emails and instant messaging
Signing and Stamping
• Smoothly add handwritten signatures with PencilKit
• Insert and scale signatures or stamps anywhere
Protection
• Add or remove high-strength PDF passwords (AES encryption)
• Add custom 45° rotated copyright watermarks
Scanning
• Use the camera to scan paper documents and invoices into high-definition PDFs
Privacy First
PDF-PRO works completely offline. Merging, splitting, compression, and OCR are all processed locally - no uploads to any third-party servers.
PDF-PRO offers free reading, scanning, and basic annotation. Upgrade to Pro to unlock unlimited signatures, OCR, compression, encryption, waterm…
