The URL Builder is an essential tool for web developers working with URLs and API endpoints. It allows you to construct URLs from individual components including protocol, hostname, port, pathname, query parameters, and hash fragments. Perfect for building API URLs, testing endpoints, and understanding URL structure.
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Enter the protocol (http/https), hostname, optional port, pathname, query parameters, and hash. The tool automatically builds the complete URL as you type. You can add multiple query parameters using the '+' button.
You can set protocol (http/https), hostname (domain), port (optional), pathname (path), query parameters (key-value pairs), and hash/fragment. All components are optional except hostname.
Yes! Click the '+' button to add more query parameters. Each parameter has a key and value field. You can remove parameters using the trash icon. Empty parameters are automatically excluded from the final URL.
Yes! Our URL builder is 100% free with no registration required, no usage limits, and no hidden fees. You can build as many URLs as you need for your development work.
No, all URL building happens locally in your browser. We don't store, save, or have access to any URLs you build. Your privacy is completely protected.
Yes! Click the copy button to copy the complete URL to your clipboard. You can then paste it into your code, browser, or share it with others.
The tool supports common protocols including http://, https://, ftp://, ws:// (WebSocket), and wss:// (Secure WebSocket). You can select the protocol from the dropdown menu.
Query parameters are key-value pairs added to the URL after a '?' character. You can add multiple parameters using the '+' button. Each parameter is automatically URL-encoded when building the final URL.
Pathname is the path portion of the URL (e.g., '/api/users'), while hash (fragment) is the part after '#' (e.g., '#section1'). Pathname is sent to the server, while hash is typically used for client-side navigation.
The tool focuses on standard URL components. For URLs with authentication (username:password@host), you would need to include the credentials in the hostname field, though this is not recommended for security reasons.
Special characters in query parameters and paths are automatically URL-encoded when building the URL. For example, spaces become '%20' and special characters are properly encoded according to URL encoding standards.