Free, privacy-first personal finance tools. No accounts. No tracking. No ads. Just the numbers.
Track compound interest to the second across savings, debt, and loans. See whether your money is beating inflation — or losing to it.
Your Stack, Contextualized. Visualize your Bitcoin holdings — spot and ETF — against the total supply and every other holder on Earth.
Split a joint tax refund — or payment — equitably. Enter each partner's income and taxes paid, and CTC shows the proportional fair share for both.
Figure out when you can quit your job. Model your Quit Number across Bear, Base, and Bull scenarios with per-asset growth rates and import from Finometer or PBD.