What is URL Encoding used for?

It is used to ensure all characters in a URL are valid according to web standards, replacing special characters (like spaces, accents, or the & symbol) with hexadecimal codes (%20, %C3%B1, %26).

Is my data sent to the server for encoding?

No. All encoding and decoding operations are performed locally in your browser (client-side) using JavaScript. Your data never leaves your device.

What is the difference between URL Encoding and Escaping?

The term 'escaping' is often used as a synonym for 'encoding' in the context of JavaScript, referring to the process of replacing unsafe characters with %hexadecimal codes.

URL Encoder and Decoder Online FREE

What is the URL Encoder/Decoder?

Our free tool works as an online URL Encoder and Decoder, essential for developers, SEO professionals, and anyone who works with the secure transmission of data through web links. The tool helps you encode special characters that are unsafe in a URL's structure (like spaces, `&`, `?`, or accents) and quickly decode confusing URLs with hexadecimal codes (`%20`, `%26`) to make them readable.

Why is URL Encoding Necessary?

The RFC 3986 specification requires that URLs only contain a limited set of characters. When forbidden or reserved characters are used (like the question mark `?` which indicates the start of parameters, or the space ` ` which is confused with a URL break), data transmission is broken. Encoding solves this by replacing the unsafe character with a percentage symbol (`%`) followed by its hexadecimal value (e.g., space becomes %20).

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How to Use the Tool (Encode and Decode)

This utility is simple to use. Enter the text or URL in the input area and click the operation you wish to perform:

Encode URL: Converts readable text containing special characters (`á`, `&`, ` `) into a safe web format (`%C3%A1`, `%26`, `%20`). Useful for creating query links.
Decode URL: Converts an encoded text string (the one containing the % codes) back to a human-readable format. Ideal for analyzing complex URLs from APIs or server logs.

Premium Usability Features

For an optimal working experience, our tool allows the input and output panels to be fully adjustable. Simply **drag the bottom corner** of any text area to **vertically resize** the fields and adapt them to the size of your content. This is ideal for handling large blocks of JSON or extensive URLs.

Privacy: All Operations are Performed in the Browser

Like all our tools, URL encoding and decoding is performed completely in the browser (*client-side*). Your data never leaves your device and is not sent to any external server, ensuring maximum security and privacy of your information.

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