PDF Studio — Editor & Scanner
Productivity
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
PDF Studio is the all-in-one PDF toolkit for iPhone — convert any document to PDF, scan paper documents with built-in OCR, edit and annotate PDFs, sign with your finger, and organize files with a complete suite of professional tools. Everything runs on your device. No cloud uploads. No tracking. Just speed and privacy.
CONVERT — 8 FORMATS
Word (.doc / .docx) → PDF
Excel (.xls / .xlsx) → PDF
• PowerPoint (.ppt / .pptx) → PDF
Images (JPG, PNG, HEIC) → PDF (single & batch)
PDF → Word (.docx)
PDF → Excel (.csv)
PDF → JPG / images
PDF → PowerPoint pages
Convert dozens of files in seconds with our native engine. No file size limits. No watermarks.
SCAN — SMART DOCUMENT SCANNER
Auto edge detection with VisionKit
Multi-page capture
AI-powered OCR — extract text from any scan
Vietnamese + English OCR built in
Import from Photo Library
Pinch-zoom preview & individual page management
Save scans as searchable, shareable PDFs
EDIT — FULL ANNOTATION SUITE
Highlight text in any colour
Free-form drawing with adjustable brush
Add text — pinch to scale, drag to move, rotate freely
Hand-drawn signatures via PencilKit (Apple Pencil supported)
APPROVED stamp for documents
Eraser tool to remove any annotation
Tap any annotation to edit / move / resize
ORGANIZE — PRO PDF TOOLS
Compress PDF — adjustable quality slider
Merge multiple PDFs into one
Split a PDF into individual pages
Rotate pages to any angle
Set password protection
Add custom text watermarks
Insert page numbers (5 positions, customizable)
Extract images from PDF
10 LANGUAGES
English, French, German, Spanish, Portuguese (Brazil), Portuguese, Russian, Chinese (Simplified), Indonesian, Hindi
100% PRIVACY-FIRST
All processing happens on your iPhone
No internet required for any feature
No file uploads to any server
No accounts, no sign-up, no tracking
Your documents never leave your device
WHY PDF STUDIO?
Beautiful, modern interface designed for iOS
Lightning-fast — no waiting for cloud uploads
Works completely offline
Native PDFKit, Core Text & PencilKit integration
Frequent updates with new features
PERFECT FOR
Students annotating course materials and scanning textbooks
Professionals signing contracts and merging reports on the go
Travelers scanning receipts and IDs without internet
Anyone who needs a fast, private PDF helper
Get organized today. Download PDF Studio and experience the simplest, most powerful PDF app on iPhone.
Privacy: chuminhson.netlify.app/policy
Terms: chuminhson.netlify.app/terms
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Chu Minh Son, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Chu Minh Son
- Size
- 4.1 MB
- Category
- Productivity
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 13.3 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © @chuminhson2026