If you keep files you would not hand to a stranger, EVA gives you a way to use AI on them without sending a single byte to a cloud server. This guide explains how a private, offline AI handles sensitive documents, what it can and cannot do, and what to know before trusting any AI tool with material you care about.
This is a practical guide, not professional advice. If you have a formal confidentiality obligation — professional, contractual, or regulatory — verify your own requirements before adopting any tool.
The core problem: cloud AI and confidential files
When you type a name, a financial detail, a medical history, or a document excerpt into ChatGPT, Gemini, or Copilot, that data travels to a remote server. It is logged. It may be retained, reviewed, used to train future models, or produced under subpoena. You are trusting a policy — and policies change.
EVA sidesteps this entirely. It runs locally on a USB drive plugged into a Windows 10/11 PC. Your prompts and documents never leave your machine, and there is no server to subpoena.
What people actually use EVA for
- Personal and household records: Insurance policies, property documents, medical histories, medication lists, emergency contacts — stored offline and searchable by conversation.
- Survival and preparedness libraries: Field manuals, first-aid references, maps, evacuation routes, homestead SOPs, radio frequency lists.
- Document summarization: Summarize long PDFs, manuals, or reports loaded into the drive's local knowledge base.
- Drafting assistance: Letters, notes, plans and summaries — without your draft content reaching any third-party server.
- Private thinking: Work through a problem with an AI that retains nothing on anyone else's hardware.
What EVA cannot do
- EVA cannot access the live internet. No current news, no live data, no online databases, no real-time weather or situation updates.
- EVA cannot verify facts against an external source. Its knowledge is fixed at the model's training cutoff, and anything important should be independently checked.
- EVA does not replace your judgment. It is a writing and analysis assistant, not an authority.
- EVA is not a specialist system. It is a capable general-purpose assistant, not a substitute for domain-specific professional tools or advice.
The local document knowledge base workflow
- Load your files into EVA's local knowledge base on the drive — anything you can save as a TXT, DOC, or PDF.
- Plug the drive into your Windows PC — EVA runs directly from the drive without installation.
- Ask EVA to summarize, locate a detail, or help draft something based on those documents.
- Review EVA's output as a starting point, not a finished product.
Understanding EVA's privacy model
EVA's core local chat and document workflow is designed to run without sending your prompts or files to EVA-operated cloud servers. The AI model lives on the drive. Your documents stay on your machine. No conversation history leaves the device. That guarantee comes from architecture, not from a promise — there is no mechanism by which your data could reach a server.
Who EVA is designed for
- Privacy advocates who refuse to make their private thoughts someone else's training data
- Preppers and survivalists who need a reference library that survives an internet, Wi-Fi, or cellular outage
- Off-grid, rural and remote users working where connectivity is unreliable or absent
- Emergency-minded families keeping critical household records accessible without a network
- Anyone who wants a predictable, one-time-cost AI tool with no subscription and no account
Frequently asked questions
Does EVA store my documents on a remote server?
No. Documents added to EVA's local knowledge base are stored on the USB drive itself, not transmitted to any server.
Can I use EVA with no internet at all?
Yes — that is the entire point. EVA works anywhere you can plug in a USB drive and open a Windows laptop, including during a grid-down or network outage.
Is the AI trained on my files?
No. EVA indexes your documents locally for retrieval. Your files are never used to retrain the model.
Does using EVA satisfy a formal confidentiality obligation I'm under?
That depends entirely on your specific obligation and jurisdiction. EVA removes cloud transmission from the equation, but whether that satisfies a given rule is a question for the body that governs you.
EVA is a product of Intelligence by Macci. EVA does not provide legal, medical, or financial advice.