UnitMaster – Accurate, privacy-focused unit and financial calculator

Summary: UnitMaster is a free, privacy-focused unit converter and financial calculator featuring engineering-grade precision with decimal.js to avoid floating-point errors. It offers a glassmorphism UI with system-aware dark mode and includes Mortgage, Loan, and Tax calculators.

What it does

UnitMaster converts units and performs financial calculations using precise decimal arithmetic. It runs on Next.js 14 and Vercel, providing a fast, modern web experience with a visually distinct interface.

Who it's for

It is designed for users needing accurate unit conversions and financial computations without ads or floating-point inaccuracies.

Why it matters

It solves the problem of inaccurate, ad-heavy converters by delivering precise, private calculations with a modern UI.