Free Education & Study Tools
Explore molecules, the periodic table and the solar system in 3D, balance equations, generate citations and flashcards, and more.
3D Molecule Visualizer
Explore molecules in interactive 3D — rotate, zoom, and switch between ball-and-stick and space-filling models. Fetch any compound live from PubChem.
Periodic Table Explorer
Interactive periodic table of all 118 elements — click any element for its full properties.
Chemical Equation Balancer
Balance any chemical equation instantly using exact fraction arithmetic.
Citation Generator
Generate APA, MLA and Chicago style citations for websites, books and journal articles.
Scientific Notation Converter
Convert numbers to scientific/engineering notation, and convert between SI unit prefixes.
GPA Calculator
Calculate your GPA on the 4.0 scale from course credits and letter grades.
Statistics Calculator
Paste a dataset and get mean, median, mode, variance, standard deviation and quartiles.
Flashcard Generator
Create custom flashcards and study them in order or shuffled with click-to-flip.
Graphing Calculator
Plot any y = f(x) function with zoom and custom axis ranges.
3D Solar System Explorer
Interactive 3D solar system with all 9 planets — step onto any surface for its sky, atmosphere, your weight there, and your age in its years.
3D Geometry Visualizer
Rotate 3D shapes while adjusting dimensions and seeing live volume and surface area.
Projectile Motion Simulator
Simulate projectile motion with adjustable velocity, angle and gravity.
Morse Code Translator
Translate text to Morse code and back, plus NATO phonetic alphabet spelling.
Frequently asked questions
- Yes — every tool in this category is free to use, with no sign-up and no usage limits.
- No. Everything runs in your browser (or through our server for the tools that need one) — no downloads, no extensions, no account.
- No. Files and inputs are processed to produce your result and are not stored afterward.