About MiniUtils

What is MiniUtils?

MiniUtils is a collection of free, browser-based calculators and number tools. Whether you need to calculate percentages, work with fractions, convert between number bases, or process lists of numbers — we provide simple, fast tools that work directly in your browser.

Our tools

We offer calculators for percentages, fractions, area, and the rule of three. Our number tools let you sort, filter, average, find min and max, generate lists, and convert between binary, hexadecimal, decimal, and Roman numerals. All tools are designed for quick, everyday use.

Why use MiniUtils?

• Free — no subscription or hidden fees
• No signup — use tools immediately without an account
• Privacy-friendly — calculations run in your browser, data stays on your device
• Available in multiple languages