Tools
Online Ruler Live
Accurate cm, mm & inch screen ruler at actual size
Age Calculator Soon
Calculate exact age from any birth date
Developer
JSON Formatter Soon
Format, validate and minify JSON
JWT Decoder Soon
Decode and inspect JWT tokens instantly
Finance
Compound Interest Soon
Calculate growth with compound interest
Algebra
Quadratic Solver Soon
Solve quadratic equations step-by-step
Astronomy
Weight on Other Planets Soon
See your weight across the solar system
Chemistry
Molar Mass Calculator Soon
Calculate molar mass from any formula
Physics
Projectile Motion Soon
Visualize projectile trajectory and range
Statistics
Standard Deviation Soon
Calculate mean, variance and std dev
Calculus
Riemann Sum Soon
Animated Riemann sum approximations
Computer Science
Sorting Visualizer Soon
Watch algorithms sort in real time