One's Complement & Two's Complement Calculator (1's & 2's Complement Calculator) is a free online tool to find true form and one's & two's complement equivalent for a given intger number.

Random Sudoku Generator & Solver! This Sudoku online tool offers an interactive platform for both creating and solving Sudoku puzzles.

Area Converter, it supports conversions and calculations between various length units including Square Meter(m²), Square Kilometer(km²), Hectare(ha), Square Decimeter(dm²), Square Centimetre(cm²), Square Millimetre(mm²), Acre(acre), Square Mile(mi²), Square Yard(yd²), Square Foot(ft²), Square Inches(in²) and more.

Temperature Converter supports conversions and calculations between various length units including Kelvin(K), Celsius(°C), Fahrenheit(°F), Rankine(°R), Delisle(°De), Newton(°N), Réaumur(°Ré), Rømer(°Rø) and more.