Encoding Developer Tools
Essential encoding and decoding utilities for Base64, URL percent-encoding, HTML entities, Unicode escape sequences, Hexadecimal, and ASCII codes.
Base64 Encoder
Encode plain text, UTF-8 strings, and binary data to Base64 format online. Fast client-side Base64 string encoding with URL-safe option.
Base64 Decoder
Decode Base64 strings back into plain UTF-8 text and binary data online. Instant in-browser Base64 decoding with zero server uploads.
URL Encoder
Encode URLs, query parameters, and special characters into percent-encoded RFC 3986 format online. Safe browser-based URL parameter encoding.
URL Decoder
Decode percent-encoded URLs and query strings back to human-readable characters online. Fast client-side URL string decoding in your browser.
HTML Entity Encoder
Encode special characters and reserved symbols into HTML entities (named & numeric) online. Prevent XSS vulnerabilities directly in your browser.
HTML Entity Decoder
Decode named, decimal, and hexadecimal HTML entities back to plain readable text online. Fast browser-based HTML entity unescaping.
Unicode Escape Encoder
Encode special characters and international text into Unicode escape sequences (\uXXXX) online. Perfect for JavaScript, JSON, and C code.
Unicode Escape Decoder
Decode Unicode escape sequences (\uXXXX, \u{XXXXXX}) back to readable text and emojis online with instant client-side string parsing.
Hex Encoder
Convert plain text and binary strings into hexadecimal (base-16) byte representations online. Fast in-browser hex encoding with delimiter options.
Hex Decoder
Decode hexadecimal (base-16) byte strings back to readable UTF-8 text and binary data online. Instant client-side hex decoding.
ASCII Converter
Convert text to ASCII decimal, hexadecimal, binary, and octal character codes online. Includes an interactive ASCII lookup table in your browser.
Binary to Text
Convert binary 8-bit strings (0s and 1s) to plain readable ASCII/UTF-8 text online. Fast, client-side binary decoding directly in your browser.
Text to Binary
Convert plain text and string characters into 8-bit binary code (0s and 1s) online. Instant in-browser binary encoding with custom space separators.