Encode special characters in a URL or decode encoded URLs.
Easily encode or decode URLs with our free URL Converter. This tool helps web developers, SEO specialists, and data analysts ensure that URLs are formatted correctly for safe transmission over the internet. Whether you need to encode special characters for a query string or decode a messy URL to read its parameters, this tool does it instantly.
Switch seamlessly between Encoding and Decoding modes with a single click.
All processing is done in your browser using JavaScript. No data is sent to our servers.
Uses standard UTF-8 encoding (RFC 3986) to ensure compatibility with all modern browsers and servers.
URLs can only be sent over the Internet using the ASCII character set. Since URLs often contain characters outside the ASCII set, the URL has to be converted into a valid ASCII format. URL encoding replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits.
%20 or +.?, /, &, and # have special meanings. If they are part of the data (e.g., a search query), they must be encoded.é) are encoded to ensure they are transmitted correctly.| Character | Encoded Value | Name |
|---|---|---|
| space | %20 | Space |
| ! | %21 | Exclamation Mark |
| " | %22 | Double Quote |
| # | %23 | Number Sign |
| $ | %24 | Dollar Sign |
| % | %25 | Percent Sign |
| & | %26 | Ampersand |
encodeURI is used for full URLs and preserves special characters like : / ? #. encodeURIComponent is used for individual parameters (e.g., query values) and encodes everything, including / and ?.
That represents a space. Since spaces are not allowed in URLs, they are encoded as %20.
Yes, because it runs locally on your device. However, you should generally avoid putting sensitive passwords in URLs (GET requests) as they can be logged by servers.