Free Online Converters
Convert data between formats in one click: Base64 encode and decode, URL-encode query strings, switch between hex, binary and decimal, convert units, and translate colors between HEX, RGB and HSL. Each converter shows the result instantly as you type.
Base64 Encoder & Decoder
Encode plain text or UTF-8 strings into Base64 format or decode Base64 back to text.
Open Tool
URL Encoder & Decoder
Encode special characters into URL percent-encoded format or decode percent strings.
Open Tool
Hex, Binary & ASCII Text Converter
Convert text to Hexadecimal, Binary, Octal, or ASCII character codes.
Open Tool
Multi-Unit Dimension Converter
Convert values between length, area, mass, speed, and digital data storage units.
Open Tool
Color Space Converter (HEX, RGB, HSL, OKLCH)
Convert colors between HEX, RGB, HSL, HSV, CMYK, and modern OKLCH CSS values.
Open Tool