When you sent data over a form, you can see what exactly you sent if you see the logs on the Firebug console. It also gives you an option to resend the data. Is there is a way to edit that data within Firebug to send something different? If not, I would like to know if there is any other tool that can.

This is an example of what I see on Firebug console after having sent a certain form:

Params Headers Post Response JSON
Parameters application/x-www-form-urlencoded  Do not sort
[user name]

There is no such option in Firebug, but the Firefox built-in DevTools allow you to edit the data of a previous request and send it again.

*Edit and Resend* option in Firefox DevTools

To get there, first select the Network panel, then in there a request. When you click on the Edit and Resend button, you'll be able to edit everything, the request method, the URL, the query string, the headers and the body.

Editing network request data in Firefox DevTools

After a click on Send the request is sent to the server.

  • 3
    Send not working – Mahender Reddy Yasa Sep 25 '17 at 10:34
  • If you mean that you don't see the request within the request list after you clicked the Send button, ensure that the request filter is set to All and that the filter field at the top right is empty. If that doesn't work, try it in a new profile. – Sebastian Zartner Sep 25 '17 at 17:05

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