Word search generator
Make printable word search puzzles from your own words. Easy to hard, answer keys, multiple versions, PDF download, and play online.
Free web browser tools
Student
Check scores, calculate credit-weighted GPA, manage study time, and prepare written work with simple browser utilities.
Scientific calculator
Use a free online scientific calculator for advanced math, trigonometry, exponents, roots, and more.
GPA calculator
Calculate a credit-weighted GPA online from course grades and credit hours using a standard 4.0 scale. Add or remove courses and see total credits instantly.
Fraction calculator
Calculate fractions online. Add, subtract, multiply, divide, simplify, and convert fractions easily.
Grade / test score calculator
Calculate test grades, percentages, and final scores from points earned and total points possible.
Mean, median, mode calculator
Find the mean, median, mode, and range of a list of numbers, plus quartiles, sum, and count. Paste numbers separated by commas or lines.
Standard deviation calculator
Calculate sample or population standard deviation and variance with step-by-step deviations, z-scores, and standard error.
Binary to decimal converter
Convert binary to decimal and decimal to binary with step-by-step working. Supports large numbers and two's complement.
Decimal to fraction converter
Convert decimals to simplified fractions and mixed numbers, including repeating decimals, or turn a fraction into a decimal.
Crossword puzzle generator
Make a crossword puzzle from your own words and clues. Automatic grid layout, numbered clues, answer key, PDF download, and online solving.
Maze generator
Create printable mazes from very easy to insane, rectangular or circular, with solutions. Download a PDF or solve it on screen.
Team generator
Split names into random teams or groups. Balance teams by skill, keep people apart, pick captains, and show results full screen.
Student FAQs
How are tags used on ReallyUseful.Tools?
Tags group tools by shared traits such as file converter, in browser, or privacy friendly so you can filter the directory by feature.