URL Decode

Easily convert encoded URLs into readable text.

Encoded URL / Text Input

Decoded Text Output

Why Use This Tool? ✅

Fast & Accurate

Correctly decodes percent-encoded characters back into their original form.

Perfect for Developers

An essential tool for debugging URLs, testing API requests, and analyzing query strings.

User-Friendly Interface

A simple, clean two-panel layout makes decoding URLs effortless for everyone.

Great for Analysts

Easily clean up and read URLs from web traffic logs or marketing campaign data.

From Percent-Encoding to Plain Text: Understanding URL Decoding 🌐

A URL (Uniform Resource Locator) is designed to be a standardized, readable address for resources on the internet. However, URLs have a limited set of allowed characters. When a URL needs to include a special character that is not in this set (like a space, a forward slash in a parameter, or a plus sign), that character must be encoded. URL decoding is the process of converting these encoded sequences back into their original, human-readable characters.

What is Percent-Encoding?

Percent-encoding, also known as URL encoding, works by replacing a reserved or non-ASCII character with a "%" sign, followed by the two-digit hexadecimal representation of that character's ASCII code.

Common examples include:

  • A space becomes %20
  • A forward slash (/) becomes %2F
  • A question mark (?) becomes %3F
  • An ampersand (&) becomes %26

Why is Decoding Necessary?

  • Debugging: When a developer is working with a complex URL, especially one generated by a form or an API, the encoded string can be very difficult to read. Decoding it makes it easy to check if all the parameters and values are correct.
  • Data Analysis: Web analytics tools often log the full, encoded URLs of visiting traffic. An analyst needs to decode these URLs to understand the search queries, campaign tags, and other parameters.
  • Reading and Sharing: An encoded URL is ugly and hard to share. Decoding it makes it readable and understandable for humans.

This tool uses the browser's built-in, standardized decoding functions (decodeURIComponent) to provide a fast and highly accurate way to reverse percent-encoding, making any URL string instantly clear and readable.