About Qepto Tools

What is Qepto Tools?

Qepto Tools is a free collection of online calculators and generators built for everyday life. Whether you need to crunch numbers for finance, health, travel, or general planning — or generate a secure password, a UUID, or a lorem ipsum block — we provide fast, reliable tools that work on any device, no sign-up required.

We currently offer 39 calculators spanning five categories (Finance, Health, Date & Time, Lifestyle, and Travel) and 12 generators covering security, data, text, and web development needs. New tools are added regularly based on user feedback.

Our mission

We believe useful tools should be accessible to everyone, with no paywalls and no required accounts. Our goal is to build the most complete, easy-to-use calculator and generator platform on the web — one tool at a time. Every tool is designed to give you a clear result in seconds, with transparent formulas and no hidden catches.

All generators run entirely inside your browser using the Web Crypto API. No data you enter is ever sent to our servers — your passwords, PINs, tokens, and identifiers stay private by design.

What we cover

Our calculator directory spans five areas: Finance (mortgages, loans, compound interest, ROI, credit card payoff), Health (BMI, calorie needs, body fat, ideal weight, heart rate zones), Date & Time (age, date difference, workdays, countdown), Lifestyle (GPA, sleep, water intake, electricity cost, paint, square footage), and Travel (fuel cost, gas mileage, currency, travel time, carbon footprint).

Our generator directory covers Security (passwords, passphrases, PINs, tokens), Data (UUIDs, random numbers, random dates, color palettes), Text (lorem ipsum, usernames, coupon codes), and Web (URL slugs).

How it works

Pick a tool from our calculator or generator directory, enter your inputs, and get an instant result. Calculator tools include a breakdown of the formula used so you understand the math behind the answer. Generator tools display output immediately — hit the button again for a fresh result, or copy it to your clipboard with one click.

Built for the community

Many of our tools were added based on direct user requests. If there is a calculator or generator you need that does not exist yet, let us know — we review every request and build the ones that will help the most people.

Contact

Have questions, feedback, or partnership inquiries? Reach us at stefan.kostic89@gmail.com or visit our contact page.