Introducing JeffyAI
— Powered by —

Knows you. Tells nobody.

One AI · One owner · One lifetime

Big Tech AI listens to everything. Sells your data. Tells you what you can and can't say. JeffyAI runs entirely on your computer — private, offline, and answerable only to you. Free to download. Yours forever.

Get the Beta — Free →

Free during public beta · Windows 10/11 · 4 GB RAM minimum · Three short surveys in exchange

Runs 100% offline
Your data stays on your machine
Built on open-source models
Windows installer — one click
Local. Loyal. Lifelong.
Designed by Jeff Johnson. Built by AI.
The Problem

You don't own your AI.
It owns you.

Every conversation you have with ChatGPT, Siri, or Alexa goes to their servers. It trains their models. It lives in their data centers. You are not the customer. You are the product.
❌ Big Tech AI
Your conversations stored on their servers
Your data used to train their models
They can read, sell, or lose your data
Requires internet — useless offline
Can be censored, limited, or shut down
Monthly subscription forever
✓ JeffyAI
Runs on YOUR machine
Your conversations don't train anyone's model
You hold the keys to your own data
Works completely offline
No censorship — your rules
Free to download — keep it forever
What It Does

A complete AI operating system
for your life.

🧠
Knows You
Learns your name, family, preferences, humor, and habits. Gets smarter every conversation. All stored locally.
🔒
Private Vault
Encrypted diary, legacy messages, personal archive. AES-256 encryption. Only you hold the key.
🎙️
Voice Activated
Say "Hey Jeffy" to wake it up. Give commands by voice. Get spoken responses. No cloud processing.
🌐
Builds Websites
Generate professional landing pages, SEO-optimized content, and full sites. Trained on thousands of iterations.
🤖
Runs Locally
Powered by Qwen via Ollama. Runs on your Windows PC. No GPU required. No internet needed after setup.
🧩
Expandable Mods
Add capabilities via mods. Business tools, personal companion, health tracker, marketing engine — and more coming.
The Story

Built by one person.
For everyone.

My name is Jeff Johnson. I'm in the Pacific Northwest. I'm not a Silicon Valley startup. I don't have venture capital. I designed JeffyAI because I was tired of Big Tech AI listening to everything I say, selling my data, and telling me what I'm allowed to do with my own computer.

I wanted an AI that knew me — really knew me — without sending my life story to a server farm in California. I wanted something that ran on my machine, answered to me, and got smarter over time without ever phoning home.

So I designed it. And built it with my Claude AI partners. Months of late nights, hundreds of iterations, thousands of lines of code that the AIs and I wrote together. JeffyAI is the personal AI operating system I always wanted — and I think you want it too.

Take that, Silicon Valley.

— Jeff Johnson, Creator of JeffyAI
See It Work

This is what private AI
looks like.

JeffyAI — Running locally on your machine
jeffy@your-machine:~$ python qaicx.py
Loading memory... ✓
Connecting to local Qwen model... ✓
No internet required. No data leaving your machine. ✓

╔═══════════════════════════════════════╗
║ JeffyAI — Your Personal AIOS ║
║ Private. Local. Yours. ║
╚═══════════════════════════════════════╝

Hi! I don't think we've met yet.
[Setup] → Jeff
Nice to meet you, Jeff. I'm Jeffy. I run on your machine.
Everything you tell me stays here. No cloud. No tracking.

[Jeff] → Build me a landing page for my plumbing business
Generating website locally...
✅ Saved → runs/plumbing_business_20260505_143022.html

[Jeff] → What did we talk about last week?
Last week you mentioned your daughter's soccer game and asked
me to help draft a proposal for the HOA contract renewal.
Want me to pull that up?

[Jeff] →
Ready to own
your AI?

Free Windows installer. One click. Walk away with a personal AIOS that's actually yours.

Get the Beta — Free →

Want voice + vault? HOME edition — $99 founders / $149.
Family of 5 with separate profiles? FAMILY — $149 founders / $249.

Coming soon: customize your Jeffy — looks, voice, personality packs.