Free Online Encoding & Decoding Tools
Encode and decode data in various formats directly in your browser. No data uploaded, no signup required.
Base64 Encode & Decode
Encode text to Base64 or decode Base64 to text. Free online Base64 encoder and decoder with instant conversion.
ROT13 Encoder/Decoder
Encode or decode ROT13 text instantly. Free online ROT13 cipher tool with real-time conversion.
Morse Code Translator
Translate text to Morse code and vice versa. Free online Morse code translator with audio playback.
URL Encoder/Decoder
Encode or decode URL components instantly. Free online URL encoder and decoder for special characters.
Binary Converter (Text to Binary)
Convert text to binary and binary to text instantly. Free online binary converter with encode and decode modes.
ASCII Converter
Convert between ASCII characters and their decimal, hexadecimal, and binary code values. Free online ASCII table converter.
HTML Entity Encoder/Decoder
Encode or decode HTML entities instantly. Free online HTML entity encoder for special characters.
Image to Base64
Convert images to Base64 data URIs instantly. Free online image to Base64 converter with drag-and-drop. Supports PNG, JPG, GIF, WebP, SVG.
Text to Hex Converter
Convert text to hexadecimal and back instantly. Free online text to hex converter with space-separated bytes and UTF-8 support.
Hex to Text Converter
Convert hexadecimal to readable text instantly. Free online hex to text converter with UTF-8 support. Paste hex and get text back.
Unicode Escape/Unescape
Convert Unicode characters to \uXXXX escape sequences and back. Free online Unicode escape unescape tool with surrogate pair support.
JSON String Escape/Unescape
Escape and unescape strings for JSON. Handle newlines, quotes, backslashes, and tabs. Free online JSON string escape tool.
About Encoding Tools
Encoding tools convert data between different text representations used in web development, APIs, and data processing. Base64 encoding is used for embedding binary data in JSON, email, and data URIs. URL encoding ensures special characters in query parameters are transmitted correctly. All encoding and decoding happens locally in your browser using standard Web APIs.