RFC 3986 URL Decoder & Parameter Extractor

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Programmatic Code Snippets: URL Decode String

How to implement URL Decode String programmatically in Python, Node.js, PHP, and CLI

CLI & API Syntax

URL decode percent-encoded string in Python 3

import urllib.parse

encoded = "Hello%20World%20%26%20Toolbox24%20%231"
decoded = urllib.parse.unquote(encoded)
print(decoded) # Output: Hello World & Toolbox24 #1

Decode URL string in JavaScript / Node.js

const encoded = "Hello%20World%20%26%20Toolbox24%20%231";
const decoded = decodeURIComponent(encoded);
console.log(decoded); // Output: Hello World & Toolbox24 #1

URL decode string in PHP

<?php
$encoded = "Hello%20World%20%26%20Toolbox24%20%231";
echo rawurldecode($encoded);

URL decode in Bash using Python one-liner

python3 -c "import urllib.parse, sys; print(urllib.parse.unquote(sys.argv[1]))" "Hello%20World%20%26%20Toolbox24%20%231"

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