URL Query Parameter Editor

Load a URL, edit one key=value pair per line, preserve duplicate keys, and rebuild the URL locally.

URL

One key=value pair per line; duplicate keys are preservedRebuilt URL

ReadyEditing replaces only the query string; path and fragment stay on the original URL.

How to use this URL Query Parameter Editor

Edit repeated URL query parameters without manually rewriting percent encoding. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.