All Tools
18 free tools — find exactly what you need.
Developer
Color Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats. Free color picker tool.
DeveloperJSON Formatter & Validator
Format, beautify and validate JSON data instantly. Free JSON tool for developers.
DeveloperBase64 Encoder / Decoder
Encode and decode Base64 strings instantly. Free online Base64 tool.
DeveloperURL Encoder / Decoder
Encode and decode URL strings (percent encoding) instantly.