parametr is a free Chrome extension developed by Rich Marrone. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools extension.

parametr provides a convenient solution for working with URL query parameters. When installed, the extension parses the current tab's URL query parameters into a table, allowing users to easily edit, add, and delete them. All values are automatically URL encoded when adding or editing the current URL.

The user interface is simple and intuitive. To edit a query parameter, simply click anywhere in the table and make the desired changes. This makes it easy to quickly modify URL query parameters without the need for complex coding or manual URL manipulation.

With parametr, managing and manipulating URL query parameters becomes a breeze. Whether you're a developer or a casual user, this extension simplifies the process and saves you valuable time.