URL Builder & Query String Generator
Build and encode URLs with query parameters.
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⚙️ How It Works
Enter protocol, host, and optional path, port, query parameters, and fragment. The tool automatically encodes parameters and generates a valid URL in real time.
❓ Frequently Asked Questions
What is a URL builder?
A URL builder lets you construct a complete URL by combining protocol, domain, path, query parameters, and fragments.
What are query parameters?
Query parameters are key-value pairs appended to a URL after a question mark, used to pass data to servers.
Does this tool encode URL parameters?
Yes, all query keys and values are automatically percent-encoded to ensure valid URLs.
How do I add multiple query parameters?
Use the add button to create multiple key-value pairs, which will be joined with ampersands in the final URL.
What is URL encoding?
URL encoding converts special characters into a safe format using percent notation, such as spaces becoming %20.
Can I include ports in my URL?
Yes, you can specify a custom port which will be appended after the domain.
What is a URL fragment?
A fragment is the part after the hash symbol (#) used to navigate to a specific section of a page.
Does this support API URLs?
Yes, it is useful for building REST API endpoints with query parameters.
What protocols are supported?
Common protocols like HTTP, HTTPS, FTP, WS, and WSS are supported.
Is this tool free and offline?
Yes, it runs completely in your browser and does not require any server requests.
Does the URL Builder & Query String Generator work offline?
Yes, the URL Builder & Query String Generator is fully functional offline. Because this tool runs entirely in your browser, no data is ever uploaded to external servers. Once the page is loaded, you can seamlessly continue using it without an active internet connection. You can also install Knicknaks as a Progressive Web App (PWA) for native-like offline access.