The all-in-one privacy-focused digital toolkit for developers and professionals. Run PDF tools, converters, and calculators offline in your browser. No server uploads.

Could you stop using ugly, ad-riddled converters? UnitMaster is a premium, privacy-focused calculator built for the modern web. It features a stunning glassmorphism UI, system-aware dark mode, and engineering-grade precision (using decimal.js to eliminate those annoying floating-point errors). Includes robust Mortgage, Loan, and Tax calculators. COMPLETELY free, fast, and accurate.