Resistor Code

Resistor Code is a simple and efficient Chrome extension designed to calculate the resistance of resistors with three, four, or five color bands. Users can select the colors of each band in sequence, and upon selecting the last color, the extension instantly displays the resistor's value along with its minimum and maximum tolerance values.

This tool is especially useful for students, engineers, and electronics hobbyists who need to quickly determine resistor values without manual calculation. It accounts for tolerance ranges from as low as 0.05% for the brown band to as high as 20% when no tolerance band is present, ensuring accurate and reliable readings.