Encoding · 9 tools
Online Encoding & Decoding Tools
Encoding and decoding tools convert data between formats developers use every day — Base64 and Base32 for binary payloads, URL percent-encoding, HTML entities, JSON escape sequences, JWT tokens, and more. Every tool on this page runs entirely in your browser, so you can paste sensitive tokens, API keys, or user data without worrying about server-side logging, uploads, or third-party tracking.
Base64 Decode & Encode
Decode or encode any Base64 string instantly — free, private, and runs entirely in your browser.
Base32 Encode & Decode
Encode text to Base32 or decode Base32 strings back to text — instant, bidirectional, RFC 4648 compliant.
JWT Decoder
Paste a JWT to decode and inspect its header, payload, and signature — free, private, nothing leaves your browser.
URL Encode & Decode
Encode or decode URLs instantly — convert special characters to percent-encoding and back. Free and browser-based.
HTML Encode & Decode
Encode special characters to HTML entities or decode them back — free, instant, and browser-based.
JSON Stringify & Escape
Stringify JSON to a single line, escape special characters for embedding in strings, or unescape a JSON-escaped string.
Text to Binary Converter
Translate text to binary code and binary back to text — instant bidirectional conversion, also known as a binary translator.
Morse Code Translator
Translate text to Morse code or Morse code back to text — free, instant, and browser-based.
Image to Base64
Encode any image to a Base64 data URI — drag and drop, copy as CSS or HTML, 100% browser-based.