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🏠 All Tools › Converters

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Converters

Convert between units, currencies, colors, number formats and more — all free, no login.

📏 13 free tools · No signup

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Unit Converter

Length, weight, volume and more

Currency Converter

Live exchange rates, 150+ currencies

Free tool 🌡️

Temperature Converter

Celsius, Fahrenheit and Kelvin

Color Converter

HEX ↔ RGB ↔ HSL conversion

Binary / Hex Converter

Binary, hex, decimal and octal

URL Encoder / Decoder

Encode and decode URL strings

Base64 Encoder / Decoder

Encode or decode Base64 strings

Number to Words

Convert numbers to written English

Roman Numeral Converter

Convert numbers to Roman numerals

Morse Code Converter

Text to Morse code with audio

Aspect Ratio Calculator

Calculate and scale image aspect ratios

Time Zone Converter

Convert time between world cities

Days Between Dates

Count exact days between two dates

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