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Tools
Free tools for decisions you'd otherwise overthink. Calculators, side-by-side scenarios, and other utilities — no signup, no email gate.
House Calculator
Should I put more down on a house, or invest the difference? Run both scenarios over 30 years and see which leaves you wealthier.
Open →
🧪 Cooking up in the lab
Investment Calculator
Project how an initial investment plus monthly contributions compound across different fund types over time. Tweak fees and time horizon and watch the chart move.
Coming soon
🧪 Cooking up in the lab
Focus Reader
Speed read anything. Five reading modes from classic single-word RSVP to a paragraph view that highlights the active word as you go. Public-domain samples included.
Coming soon