Hands-on

Free tools & calculators

Turn intentions into numbers you can act on. Everything runs in your browser — no account, no data leaves your device.

Bitcoin Stacking & DCA Calculator

See how a small, steady weekly buy compounds into a self-custodied stack over time.

Enter your essential loads and get a battery and solar size for true backup autonomy.

Size a deep pantry, water store and backyard flock for your household.

Tell it your computer's RAM and get the best open model to run privately offline.

A 2-minute self-check across all ten dimensions, with your highest-leverage next steps.