How to Build a Private Knowledge Base on Your Phone With Local AI (No Cloud, No API Keys)

Most RAG setups require a cloud database, an embedding API, and a hosted LLM. You upload your documents to someone else's server, pay per token to process them, and hope their privacy policy actually means something. There is another way. You can build a knowledge base entirely on your phone, indexed locally, with AI inference running on your own hardware. No cloud. No API keys. No monthly bill. Off Grid has built-in projects with RAG support. Attach your documents, ask questions, and the AI searches through your files and generates answers grounded in your actual data. The whole pipeline runs on hardware you own. Off Grid connecting to local and network models - the same setup that powers the knowledge base feature. How it works Create a project Open Off Grid. Create a new project. Give it a name - "Legal contracts," "Product research," "Codebase docs," whatever you are working on. Add your documents Attach files to the project. Off Grid supports PDFs, code files, CSVs, text files, an