Url Encoder

Easily encode any text into URL-safe format using percent encoding. Useful for preparing query parameters, form data, or URLs.

Text to Encode

Result

Please check your inputs.

Type or paste the text you want to encode into the input field. Optionally, select which characters to encode — for example, only special characters or all non-alphanumeric characters (if your tool offers this setting). Click the 'Encode' button to instantly convert your text into a URL-safe percent-encoded string. Copy the encoded result from the output area using the provided copy button or by manually selecting and copying. Paste the encoded string into your URL, query parameter, or form data to ensure it transmits correctly.

📖 How to Use This Tool

Type or paste the text you want to encode into the input field.

Optionally, select which characters to encode — for example, only special characters or all non-alphanumeric characters (if your tool offers this setting).

Click the 'Encode' button to instantly convert your text into a URL-safe percent-encoded string.

Copy the encoded result from the output area using the provided copy button or by manually selecting and copying.

Paste the encoded string into your URL, query parameter, or form data to ensure it transmits correctly.

📝 What Is Url Encoder?

URL encoding (also called percent encoding) is a method of converting characters into a format that can be safely transmitted over the internet. In a URL, certain characters like spaces, ?, &, =, and # have special meanings and can break the web address if included literally. URL encoding replaces these unsafe characters with a percent sign (%) followed by their two-digit hexadecimal ASCII code — for example, a space becomes %20. This tool saves you the hassle of looking up hex codes or manually replacing characters. Just type or paste your text, click encode, and get a clean, browser-safe string ready for query parameters, form submissions, or any part of a URL.

🧮 Formula

The tool applies percent encoding by iterating over each character in the input text. If the character is not a safe, unreserved character (letters A-Z a-z, digits 0-9, and the symbols - _ . ~), it is replaced with '%' followed by its two-digit hexadecimal ASCII value. For example, the character '&' has an ASCII value of 38, which is 0x26 in hex, so it becomes '%26'. For multi-byte characters like emojis, each byte is encoded separately using the same pattern.

💡 Tips for Best Results

✨🛡️ Encode all user-generated content before putting it into a URL to prevent injection attacks and broken links.

✨🔄 Always encode after you've built your URL string — encoding an already-encoded string can double-encode characters and cause errors.

✨📋 Test your encoded string by pasting it directly into a browser address bar; it should load as expected without altering the intended data.

✨🌐 Remember that spaces can be encoded as either %20 (in most URL contexts) or as '+' (in application/x-www-form-urlencoded forms) — choose the format that matches your use case.

❓ Frequently Asked Questions

Which characters actually need to be encoded?

Any character that is not an unreserved character (A-Z, a-z, 0-9, hyphen, underscore, period, tilde) must be percent-encoded. This includes spaces, ?, &, =, #, /, and others that have special meaning in URLs.

What is the difference between URL encoding and HTML encoding?

URL encoding (percent encoding) converts characters into %XX format for safe transmission in URLs and HTTP requests. HTML encoding uses entities like & or & to display reserved characters in HTML content. They are used in completely different contexts and are not interchangeable.

Is it okay to use lowercase hex digits in percent encoding?

Yes, both uppercase (e.g., %20) and lowercase (e.g., %20) are valid in most modern browsers and servers. However, uppercase is more common and recommended for consistency and readability.