Science Tools
Free online science tools for chemistry, physics, and more. Chemical equation balancer, logic gate simulator, resistor decoder - all run in your browser with complete privacy.
Science
3 tools
Chemical Equation Balancer
Balance chemical equations by entering reactants and products in standard notation - uses Gaussian elimination for accurate integer coefficients. Free online chemical equation balancer.
Logic Gate Simulator
Simulate AND, OR, NOT, NAND, NOR, XOR, XNOR, and BUFFER logic gates with real-time output, truth tables, and Boolean expressions - up to 8 gates simultaneously. Free online logic gate simulator.
Resistor Color Code Decoder
Free resistor color code decoder online. Decode resistor color bands to resistance value and tolerance for 3, 4, 5, and 6-band resistors. Resistor color code decoder with encode mode - no signup required.