Free, accurate, and privacy-first web tools
CapsaTools gathers everyday calculators and utilities for finance, home, health, sports, and cooking. Our goal is to provide instant, precise answers without hassle or friction.
Our 4 Core Pillars
Algorithmic Precision
All our tools (mortgage amortization, income tax, unit conversions, BMI, etc.) rely on official formulas and industry standards. Algorithms are regularly audited for mathematical precision.
Client-Side Architecture (Zero-Server)
Your inputs (financial figures, weight, height, file conversions) are never uploaded or stored on any remote server. Everything is calculated locally inside your browser, guaranteeing complete privacy.
Frictionless Experience & Accessibility
No registration forms, no passwords to remember. Our responsive designs are engineered to work effortlessly across mobile, tablet, and desktop devices in both light and dark mode.
Transparent & Responsible Model
To keep all tools 100% free, CapsaTools is supported by non-intrusive online ads (Google AdSense). Ads fully respect user privacy preferences and GDPR/CCPA guidelines.
Have a suggestion or feedback?
CapsaTools continuously improves thanks to user input. If you'd like to suggest a new tool or report an issue, feel free to get in touch: