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25 tools
Weighted averageCalculate a final grade using the weight of each assessment.Fraction simplifierReduce a fraction and see the steps behind the result.Image resizerResize an image without uploading it to any server.Image compressorReduce an image file size directly in your browser.Image format converterConvert images between JPG, PNG, and WebP without uploading them to a server.Image cropperCrop an image with a custom rectangle without uploading it to a server.Image rotator and flipperRotate and flip images directly in your browser without uploading them to a server.Image metadata viewer and cleanerInspect detectable EXIF metadata and re-encode an image locally to remove it.Image color pickerPick a pixel from an image to get its HEX, RGB, and HSL values.Percentage calculatorCalculate what a percentage represents of a quantity.Rule of threeSolve direct proportions with three known values.Least common multipleFind the smallest positive multiple shared by two numbers.Greatest common divisorFind the largest divisor shared by two integers.Basic calculatorSolve additions, subtractions, multiplications, and divisions.Percentage changeMeasure how much a value increased or decreased as a percentage.Mean, median, and modeAnalyze a set of numbers with three basic statistical measures.Prime factorizationBreak an integer down into its prime factors.Powers and rootsCalculate powers and nth roots with clear results.Unit converterConvert lengths, masses, and temperatures without sending data anywhere.Pythagorean theoremCalculate the hypotenuse or a leg of a right triangle.Required final exam gradeFind the exam score you need to reach your target course grade.Visual fractionsSee a fraction as equal parts and check its simplified form.Multiplication practicePractice multiplication facts from 0 to 12 with random questions and a correct-answer streak.Quadratic equation grapherGraph a parabola and calculate its vertex and real roots.Printable exam generator with answer keyCreate math exercises and a printable answer key.