Access Free Tools
Fast, free calculators and everyday browser utilities with clear controls, helpful guides, and no signup.
Available Tools
Open a tool and use it right away.
Basic Calculator A clean online calculator for quick everyday math. Open Percentage Calculator Find percentages, percent change, discounts, markups, and reverse percentages. Open Percent Error Calculator Compare measured and accepted values with percent error, signed error, and steps. Open Exponent Calculator Calculate powers with positive, negative, zero, decimal, and fraction exponents. Open Binary Calculator Add, subtract, multiply, divide, and convert binary numbers. Open Kawaii Calculator A cute pastel calculator for quick everyday math. Open Scientific Calculator A free scientific calculator for trig, logs, roots, powers, and constants. Open Fraction Calculator Add, subtract, multiply, divide, simplify, and convert fractions. Open Random Number Generator Generate random numbers in a custom range, with unique, sorted, and copied results. Open
Browse Categories
Find tools by the task you want to complete.