QuickTools

What it does

QuickTools is a collection of 25+ free utility tools — calculators, converters, text utilities, developer tools, and AI comparisons — all built with pure HTML/CSS/JS. Zero dependencies, zero data collection, works offline. Unlike other tool sites, everything runs client-side so your data never leaves your browser. Includes niche tools like AI model pricing calculators, prompt generators, and a browser-based theme park management game.

Free online tools: mortgage calculators, BMI calculator, unit converters, AI tool comparisons, text utilities, and more. Fast, private, no signup required.

Fast, private, no signup. Calculators, converters, and utilities that just work. Calculate monthly payments, total interest, and amortization schedules for home loans. Calculate personal loan payments with custom terms and see total interest paid. Split bills and calculate tips instantly. Perfect for group dinners and restaurants. Convert between hourly, weekly, biweekly, monthly, and annual salary with tax estimates. See how your investments grow over time with compound interest and regular contributions. Calculate your Body Mass Index and understand your weight category instantly. Calculate your daily calorie needs based on age, weight, height, and activity level. Estimate your baby's due…from thequicktools.github.io

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