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HTML <input> formenctype Attribute

❮ HTML <input> tag


Send form-data that is default encoded (the first submit button), and encoded as "multipart/form-data" (the second submit button):

<form action="/action_page_binary.asp" method="post">
  <label for="fname">First name:</label>
  <input type="text" id="fname" name="fname"><br><br>
  <input type="submit" value="Submit">
  <input type="submit" formenctype="multipart/form-data" value="Submit as Multipart/form-data">
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Definition and Usage

The formenctype attribute specifies how the form-data should be encoded when submitting it to the server (only for forms with method="post")

The formenctype attribute overrides the enctype attribute of the <form> element.

Note: The formenctype attribute is used with type="submit" and type="image".

Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

formenctype Yes 10.0 Yes 5.1 10.6


<input formenctype="value">

Attribute Values

Value Description
application/x-www-form-urlencoded Default. All characters are encoded before sent (spaces are converted to "+" symbols, and special characters are converted to ASCII HEX values)
multipart/form-data  This value is necessary if the user will upload a file through the form
text/plain Sends data without any encoding at all. Not recommended

❮ HTML <input> tag