UtilityPages.org

Free, fast, and built for privacy

Useful calculators and tools for everyday tasks.

Find calculators, converters, testers, generators, and reference pages that work instantly in your browser.

No account Privacy-first Lightweight

Start with a section

Explore the utility library

Organized by intent, so the right tool is easy to find.

1258 tools available now
Calculators Clear, practical calculators for money, health, math, dates, education, construction, and everyday decisions. 684 available tools Tools Fast browser tools for text, development, devices, business, productivity, design, and privacy. 469 available tools Converters Simple converters for units, measurements, formats, cooking, data, and common representations. 63 available tools Reference Useful lookup pages, cheat sheets, tables, codes, and concise technical references. 42 available tools

Quick access

A useful mix of frequently needed calculators, converters, and browser tools.

Browse all tools
Age Calculator Date & Time Live BMI Calculator Health Live Mortgage Calculator Finance Live Percentage Calculator Math Live Word Counter Text Tools Live JSON Formatter Developer Tools Live Password Generator Security Live QR Code Generator Generators Live

Built for real tasks

Browse by category

From finance and health to development, productivity, construction, and more.

Business Tools 30 Communication 20 Construction 65 Converters 63 Cooking 37 Date & Time 61 Developer Tools 123 Device Tests 42 Education 43 Engineering 71 Finance 146 Generators 44 Health 80 Image Tools 17 Lifestyle 26 Math 125 Media Tools 10 Productivity 39 Reference 42 Security 25 SEO Tools 41 Text Tools 78 Travel & Auto 30

For developers

Explore tool schemas and integration guidance.

Browse clear inputs, outputs, examples, and browser-processing notes for every UtilityPages tool. Public browser tools stay free with no login.

Read developer docs Developer overview

The UtilityPages promise

Useful without the usual friction.

Every page is designed to solve a task quickly, explain the result clearly, and respect your data.

Private by default

Browser processing whenever possible, with no external APIs.

Fast and focused

Lightweight pages with the useful part placed first.

Clear methods

Formulas, assumptions, and limitations explained in plain language.