Smart Online Tools & Classic Logic Puzzles

Free access to professional BMI calculators, JSON formatters, Sudoku, and more. No installation required—just pure utility.

Popular Tools

Calculate your Body Mass Index (BMI) and determine if you are in a healthy weight range.

Calculate your exact age in years, months, weeks, and days based on your birth date.

Calculate percentages, percentage increases, and decreases.

Free online calculators for everyday tasks

Fun and addictive browser games

Essential tools for developers

Classic number puzzle game. Fill the grid so each row, column, and 3x3 box contains digits 1-9.

Slide numbered tiles to combine them and reach the 2048 tile.

Classic snake game. Eat food to grow longer without hitting walls or yourself.