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Unlock Text from Scanned PDFs with Privacy AI: Secure, Offline, and On-Device OCR for iOS

Extract text from scanned PDFs using offline AI assistant capabilities. Process confidential documents privately on iPhone, iPad, and Mac without cloud uploads or data exposure.

Scanned documents, from academic papers to business invoices, have long posed a challenge: their content is locked within images, inaccessible to digital workflows. Privacy AI is changing that with powerful offline AI assistant capabilities for iPhone, iPad, and Mac. Our OCR feature introduces on-device text extraction that processes scanned PDFs directly on your device, turning static images into fully usable information—all while maintaining our commitment to absolute privacy with no cloud dependency or internet connection required.

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How It Works: On-Device Intelligence for Private Document Processing

There are two ways to unlock text from scanned PDFs with our iOS AI assistant: through multimodal AI models capable of image recognition or by leveraging Apple's native Vision API for OCR. Privacy AI supports both approaches—offering professional users and researchers flexibility based on performance, privacy requirements, and model capabilities.

Comparison: AI Model vs Vision API

Feature AI Model (Multimodal) iOS Vision API
Privacy Fully offline Fully offline
Speed Depends on model size Near-instant
Accuracy High with high-end models Very high for printed documents
Hardware Requirements May require M-series iPad/Mac Works on most iPhones/iPads
Model Requirement Requires multimodal model Built-in to iOS/macOS
API Costs None (if using local model) None
Integration Difficulty Advanced (requires vision model) Built-in, seamless in Privacy AI

If your selected AI model (like Qwen3-30B-a3b from LM Studio) doesn't support vision, Privacy AI will automatically fall back to Vision API—ensuring fast and seamless extraction for any local model or self-hosted server configuration.


Using the Built-in iOS OCR Method

Privacy AI simplifies OCR workflows into three steps:

Step 1: Upload your scanned PDF
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Step 2: Input a command—like “summarize this document”—and preview the extracted content
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Step 3: View the full analysis result powered by your selected AI model
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This example uses Qwen3-30B-a3b hosted locally in LM Studio, which does not support image input. Still, the OCR output from the Vision API is seamlessly handed off to the model—bridging visual and text understanding.


Benefits of the Native Offline OCR Approach

By leveraging Apple's Vision framework, Privacy AI ensures the best private document OCR experience for iOS and macOS:

This makes Privacy AI the ideal offline AI assistant for professionals with strict privacy or regulatory compliance requirements.


Why Privacy AI Excels at Scanned PDF Processing

While some AI assistants like Claude can process scanned PDFs through cloud-based OCR, ChatGPT cannot process scanned PDFs automatically and requires manual text extraction. Both rely on cloud processing that uploads your sensitive documents to external servers. Privacy AI eliminates privacy concerns with a fully-local, on-device solution that keeps your confidential documents secure:

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Empowering Your Private AI Assistant with Professional OCR Capabilities

The real breakthrough? Your offline AI assistant—whether running local GGUF models or connecting to self-hosted servers—is now supercharged with enterprise-grade OCR capabilities:

Professional Use Cases for Scanned Document AI Processing:

Transform your iPhone and iPad into a powerful document processing workstation for legal, financial, academic, and business applications.

Why This Matters for Privacy-Conscious Professionals:

Traditional cloud-based OCR services expose your sensitive documents to third-party servers. Privacy AI's on-device OCR ensures that confidential information—from trade secrets to personal data—never leaves your Apple device. Unlike cloud-based solutions that require uploading sensitive documents to external servers, Privacy AI processes everything locally on your iPhone, iPad, or Mac. This makes it the premier choice for:

This breakthrough makes Privacy AI an indispensable offline AI assistant and document processing tool for professionals who refuse to compromise on privacy while demanding powerful AI capabilities.

Getting Started with Scanned PDF Processing

Download Privacy AI: Available on the App Store for iPhone, iPad, and Mac

Key Features:

Perfect for: Legal professionals, financial analysts, researchers, healthcare providers, government agencies, and privacy-conscious users who need secure document processing.


Try It Now

Privacy AI is available for iPhone, iPad, and Mac with full offline capability. You can get it from the App Store. No account. No cloud. Just pure on-device intelligence.


About Privacy AI

Privacy AI is a professional-grade AI assistant that runs fully offline or connects to your own OpenAI-compatible server. It supports local models, tools, and document processing—all within your Apple device. Trusted by AI engineers, legal professionals, and researchers alike.