Building an Offline AI App That Lets You Chat With PDFs on Android

Most AI tools that analyze documents require uploading your PDFs to the cloud. That means your files are processed on remote servers, which can be a privacy concern—especially when dealing with personal or sensitive documents. I wanted a different approach. So I built EdgeDox, an Android app that lets you chat with PDFs using AI that runs completely on-device. Why Offline AI? Many users are uncomfortable uploading documents to external servers. By running the AI locally on the device, we get several advantages: • Privacy-first – documents never leave the phone • Offline functionality – works without internet • Faster interaction – no network latency • Better control over data What EdgeDox Does The app allows users to interact with their documents using natural language. You can: Ask questions about a PDF Generate summaries Extract key information Quickly navigate large documents Everything happens locally on the phone. The Idea I’ve always been interested in on-device AI and privacy-fi