cURL Command Generator turns a structured HTTP request, method, URL, headers, query params, body, and auth, into the equivalent cURL command you can paste straight into a terminal. Nothing is actually sent anywhere; it only generates the command text.
No. This tool only builds the cURL command as text; nothing is sent over the network from this site. You run the generated command yourself, in your own terminal, against the API you're testing.
cURL is the one format nearly everyone recognizes and can run immediately from a terminal. If you need a request in a specific programming language, translating a cURL command into it is usually quick work for anyone already writing code in that language.
Enter a username and password, and the tool adds curl's -u flag, which handles the base64 encoding for you, the same as curl does when you run it directly.
No. The command is generated entirely in your browser, including anything sensitive like tokens or passwords you enter. Nothing is sent to a server.