About Us

toolsusa.online is a free online platform offering 80+ tools designed to simplify your daily tasks. From health calculators to financial planners, math solvers to productivity utilities — everything runs directly in your browser.

Our Mission

We believe useful tools should be accessible to everyone, without registration, downloads, or hidden costs. Every tool on toolsusa.online is 100% free, works on any device, and processes your data locally — your information never leaves your computer.

What We Offer

Health & Wellness: BMI calculator, calorie counter, body fat estimator, and more.
Math & Education: Percentage calculator, averages, fractions, equations, and study tools.
Finance & Business: Tax calculators, loan amortization, mortgage planner, and investment tools — all adapted for the US market with IRS brackets and state tax rates.
Time & Dates: Age calculator, day counter, business days calculator with US federal holidays.
Code & Generators: QR code generator, UUID generator, color picker, and developer tools.
Productivity & Utilities: Password generator, word counter, JSON formatter, and everyday utilities.
Conversion: Image converter, file size calculator, and more.

Privacy First

All calculations happen in your browser using client-side JavaScript. We don't store your data, don't require accounts, and don't track your inputs. Your privacy is our priority.