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Advanced Web Encoder

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What is a URL Encoder/Decoder?

A URL Encoder/Decoder is an essential tool for web development and data transfer. URLs can only safely contain a specific set of characters (ASCII). Any "unsafe" or "reserved" characters, like spaces, question marks, or non-English letters, must be converted into a safe format. This process is called encoding (or percent-encoding).

  • Encoding: Converts special characters into a percent-encoded format (e.g., a space ' ' becomes '%20').
  • Decoding: Converts the percent-encoded format back into human-readable special characters (e.g., '%20' becomes a space ' ').

How to Use This Tool?

  1. Paste Text: Paste your URL string or text into the "Input" box.
  2. Choose Action:
    • Click "Encode" to convert your text to the URL-safe format.
    • Click "Decode" to convert a percent-encoded string back to readable text.
  3. Copy Result: The result will appear in the "Output" box. Click the "Copy" button to copy it to your clipboard.

Frequently Asked Questions (FAQ)

Q1: What is Percent-Encoding?

Percent-encoding is the mechanism for encoding information in a URL. It represents unsafe characters with a "%" symbol followed by two hexadecimal digits (e.g., a space is '%20', the '?' symbol is '%3F').

Q2: Why is URL encoding necessary?

It's necessary for safety and compatibility. If a URL contains spaces or special characters, it can be misinterpreted by browsers or servers, leading to broken links or security vulnerabilities.

Q3: Does this tool handle all characters?

Yes, this tool uses the standard JavaScript `encodeURIComponent()` and `decodeURIComponent()` functions, which correctly handle all special characters, including UTF-8 characters (like emojis or letters from different languages).