Generators & Converters
Secure passwords, random numbers, colour codes, palettes, CSS gradients, unit conversions and percentages — quick everyday calculators that work offline in your browser.
Strong Password Generator
Create strong, random passwords with your choice of length and characters.
Open toolRandom Number Generator
Pick random numbers in any range, with or without repeats.
Open toolHEX to RGB Converter
Convert HEX colour codes to RGB and HSL, with a live preview.
Open toolRGB to HEX Converter
Turn RGB values into HEX colour codes for CSS and design tools.
Open toolColour Palette Generator
Build matching colour palettes from one colour: analogous, complementary and more.
Open toolCSS Gradient Generator
Design linear and radial gradients and copy the CSS.
Open toolBinary / Text Converter
Translate text to binary code and binary back to text.
Open toolUnit Converter
Convert length, weight, temperature, volume, area, speed, time and data.
Open toolPercentage Calculator
Work out percentages, percentage change, increases and discounts.
Open tool