Converters & Encoders
Encode, decode, and convert between formats — Base64, URL encoding, JSON, colors, number bases, and more.
Base64 Encode / Decode Encode or decode Base64 text and data URIs. URL Encoder / Decoder Percent-encode or decode URLs and query strings. HTML Entity Encoder / Decoder Escape or unescape HTML entities like &. Number Base Converter Convert between binary, octal, decimal & hex. Color Converter Convert colors between HEX, RGB, and HSL. JSON to CSV Converter Convert JSON arrays into CSV. CSV to JSON Converter Convert CSV data into JSON. Image to Base64 Encode images as Base64 data URIs. Markdown to HTML Convert Markdown into clean HTML. Morse Code Translator Translate text to and from Morse code. Binary Code Translator Translate text to binary and back. YAML to JSON Converter Convert between YAML and JSON. HTML to Markdown Convert HTML into clean Markdown. Roman Numeral Converter Convert numbers to Roman numerals and back. Caesar Cipher / ROT13 Encode and decode Caesar shift ciphers. Unit Converter Convert length, weight, temperature & more. Temperature Converter Convert Celsius, Fahrenheit & Kelvin. XML Formatter Beautify, minify & validate XML. Text Encrypt / Decrypt AES-encrypt text with a password. Image Resizer Resize images by pixels or percent. Image Compressor Compress JPG & PNG images.