URL encoding, also known as percent encoding, is a method to encode arbitrary data in a uniform resource identifier (URI) using only the US-ASCII characters legal within a URI.

Enter text to URL encode or decode. Converts the text into a percent encoded string.

Nov 24, 2025 · Percent-encoding is a mechanism to encode 8-bit characters that have specific meaning in the context of URLs. It is sometimes called URL encoding. The encoding consists …

PHP has the rawurlencode () function, and ASP has the Server.URLEncode () function. In JavaScript you can use the encodeURIComponent () function. Click the "URL Encode" button …

Percent encoding replaces reserved characters with the % escape character followed by a byte value as two hexadecimal digits. For example, an ASCII space is replaced with %20.

Charset.org URL/Percent Encode & Decode Tool URL encoding or percent encoding This encoding is widely used for encoding parameters in URLs/URIs. Special characters are …

Jun 20, 2022 · Percent-encoding is used to encode a URI, which is an aggregate of both Uniform Resource Locator (URL) and Uniform Resource Name (URN). Although it is often referred to …

Oct 12, 2012 · 36 In URLs, the percent sign (%) has a special meaning, so it should be escaped. In HTML, it does not, so it is not necessary to escape it.

Understand Base64 vs. URL encoding. Learn when to use each for data integrity in web development, preventing common errors.

Percent-encoding a reserved character means converting the character to its corresponding byte value in ASCII and then representing that value as a pair of hexadecimal digits.