Query String Builder
Build a URL query string from key-value pairs.
Break a URL into protocol, host, path, query parameters, and fragment.
Break a URL into protocol, host, path, query parameters, and fragment. It runs entirely in your browser — nothing is uploaded to a server, so it is fast and private. Just use it and go.
Yes. This tool is completely free to use, with no sign-up required.
Everything runs locally in your browser. Your input never leaves your device.