GhostChat runs large language models directly in your browser using WebGPU. Chat freely, upload PDFs, get cited answers — nothing ever leaves your device.
No signup • No API keys • Works offline after download
Zero network requests during inference. Verifiable in DevTools. Your data never leaves your device.
Works without internet after initial model download. Perfect for flights, remote work, or secure environments.
No subscriptions, no API costs. Run powerful models like Phi-4 Mini and Gemma 2B locally for free.
Upload PDFs, ask questions, get answers with page references.
Add to your home screen for a native app experience. Works offline.
PWA install available in supported browsers