Tools by use
Choose a collection for your classroom, work, money planning, creative projects, fitness or a quick break.
- Free Tools for Teachers & StudentsFor teachers and students, this collection includes GPA and final grade calculators, study timers, classroom pickers and code translators.
- Free Developer ToolsFor developers, this collection includes a JSON formatter, regex tester, diff checker, Base64 and URL encoders, and hash and UUID generators.
- Free Personal Finance CalculatorsFor people planning borrowing, saving or everyday spending, this collection includes mortgage, loan, compound interest, retirement, discount and tip calculators.
- Free Tools for Small BusinessesFor small business owners, this collection includes a QR code generator and ROI, sales tax, discount, hours and loan calculators.
- Free Tools for Writers & CreatorsFor writers and creators, this collection includes a word counter, text case converter, color palettes, an aspect ratio calculator and a language translator.
- Free Health & Fitness CalculatorsFor adults planning workouts and tracking estimates, this collection includes BMI, calorie and body fat calculators, a stopwatch and a reaction time test.
- Free Games for a Quick BreakFor anyone taking a short break, this collection includes puzzle games such as Sudoku and 2048, arcade games, word games and reflex challenges.