` Every financial calculator website I've used tracks you. Calculator.net, Omni Calculator, Mathway — they all collect your inputs, profile your behavior, and sell that data. Think about what you're entering: your salary, loan amounts, investment goals, health data. That's incredibly sensitive information being harvested by ad networks. So I built CalcIQ — a calculator platform where nothing leaves your browser . 19 calculators, 8 currencies, works offline. Zero tracking. Here's how I architected it. The Problem With Existing Calculators I analyzed 11 major calculator platforms. Every single one: Loads Google Analytics, Facebook Pixel, or similar trackers Stores your calculation inputs on their servers Uses session recording tools (Hotjar, FullStory) Requires accounts for basic features Sells behavioral data to advertisers When you enter "$500,000 home loan at 7.5%" into a mortgage calculator, that data point is worth money to insurance companies, real estate advertisers, and financial product marketers.…