Developer Tools

Base64 Encoder & Decoder

Encode and Decode Base64 Online

Encode plain text to Base64 or decode Base64 strings back to readable text instantly. Handles full UTF-8 Unicode and runs entirely in your browser — ideal for embedding binary data in JSON payloads, email attachments, data URIs, and configuration files.

Color Converter

Convert Between HEX, RGB & HSL Online

Enter a color in any format — HEX, RGB, or HSL — and instantly see it converted to all three representations. A live preview swatch updates in real time, and you can copy any format with a single click.

JSON Formatter & Validator

Prettify, Minify & Validate JSON Online

Paste raw JSON and instantly format it with clean 2-space indentation, validate its syntax, or minify it for production. Ideal for debugging API responses, cleaning up config files, or preparing JSON for web requests.

Number Base Converter

Binary, Octal, Decimal & Hex Converter

Convert numbers between Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16) instantly. Enter a number, select its base, and see all four representations update in real time.

URL Encoder & Decoder

Encode and Decode URLs Online

Encode special characters in URLs using percent-encoding, or decode percent-encoded URLs back to readable text. Essential for building query strings, constructing API requests, and handling user input with special characters.