Converters & Utilities
QR codes, color formats, timestamps, cron expressions and other everyday conversions.
QR Code Generator
Turn a URL or text into a downloadable QR code.
Open toolColor Converter
Convert colors between HEX, RGB, HSL, and HSB.
Open toolCSS Gradient Generator
Build linear and radial gradients with a live preview and copyable CSS.
Open toolTimestamp Converter
Convert Unix timestamps to readable dates, and back.
Open toolCron Expression Builder
Build a cron expression from plain options, with a human-readable explanation.
Open toolNumber Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Open toolUnit Converter
Convert length, weight, and temperature between common units.
Open toolSpeed Converter
Convert between mph, km/h, knots, and more.
Open toolArea Converter
Convert between square feet, square meters, acres, and hectares.
Open toolVolume Converter
Convert between cups, liters, gallons, and more.
Open toolData Storage Converter
Convert between bytes, KB, MB, GB, TB, and bits.
Open toolRoman Numeral Converter
Convert numbers to Roman numerals, and back.
Open toolRunning Pace Calculator
Convert race time into pace per km, per mile, and speed.
Open toolTime Zone Converter
See one time across major cities and time zones at once.
Open toolAngle Converter
Convert between degrees, radians, gradians, and turns.
Open toolFuel Economy Converter
Convert between MPG (US/UK), km per liter, and L/100km.
Open toolShoe & Clothing Size Converter
Convert shoe and clothing sizes between US, UK, and EU.
Open toolOven Temperature Converter
Convert oven temperatures between Fahrenheit, Celsius, and gas mark.
Open tool