Hearth Private · in your browser
⚡ Fast

A warm light in a cold cloud.

A private AI that runs entirely inside this browser tab — on your computer, not ours. Nothing you say ever leaves your machine.

Runs 100% on your device · ~1 GB one-time download · best in Chrome or Edge

Wait — why? (the 60-second, no-jargon version)

Kindling the fire…

We're bringing Hearth home to your device — about a minute, just this once. After today it opens in a blink, even with no internet. Nothing here ever leaves your machine.

Hello.

I'm running right here, on your machine. Ask me anything.

Private · runs on your device · unlimited & free